221435880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 256

約数和(自身を含む): 769824000

約数和(自身を除く): 548388120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 29, 30, 34, 38, 40, 51, 57, 58, 60, 68, 76, 85, 87, 95, 102, 114, 116, 120, 136, 145, 152, 170, 174, 190, 197, 204, 228, 232, 255, 285, 290, 323, 340, 348, 380, 394, 408, 435, 456, 493, 510, 551, 570, 580, 591, 646, 680, 696, 760, 788, 870, 969, 985, 986, 1020, 1102, 1140, 1160, 1182, 1292, 1479, 1576, 1615, 1653, 1740, 1938, 1970, 1972, 2040, 2204, 2280, 2364, 2465, 2584, 2755, 2955, 2958, 3230, 3306, 3349, 3480, 3743, 3876, 3940, 3944, 4408, 4728, 4845, 4930, 5510, 5713, 5910, 5916, 6460, 6612, 6698, 7395, 7486, 7752, 7880, 8265, 9367, 9690, 9860, 10047, 11020, 11229, 11426, 11820, 11832, 12920, 13224, 13396, 14790, 14972, 16530, 16745, 17139, 18715, 18734, 19380, 19720, 20094, 22040, 22458, 22852, 23640, 26792, 28101, 28565, 29580, 29944, 33060, 33490, 34278, 37430, 37468, 38760, 40188, 44916, 45704, 46835, 50235, 56145, 56202, 57130, 59160, 63631, 66120, 66980, 68556, 74860, 74936, 80376, 85695, 89832, 93670, 97121, 100470, 108547, 112290, 112404, 114260, 127262, 133960, 137112, 140505, 149720, 171390, 187340, 190893, 194242, 200940, 217094, 224580, 224808, 228520, 254524, 281010, 291363, 318155, 325641, 342780, 374680, 381786, 388484, 401880, 434188, 449160, 485605, 509048, 542735, 562020, 582726, 636310, 651282, 685560, 763572, 776968, 868376, 954465, 971210, 1085470, 1124040, 1165452, 1272620, 1302564, 1456815, 1527144, 1628205, 1845299, 1908930, 1942420, 2170940, 2330904, 2545240, 2605128, 2913630, 3256410, 3690598, 3817860, 3884840, 4341880, 5535897, 5827260, 6512820, 7381196, 7635720, 9226495, 11071794, 11654520, 13025640, 14762392, 18452990, 22143588, 27679485, 36905980, 44287176, 55358970, 73811960, 110717940, 221435880]

約数ペア:

[(1, 221435880), (2, 110717940), (3, 73811960), (4, 55358970), (5, 44287176), (6, 36905980), (8, 27679485), (10, 22143588), (12, 18452990), (15, 14762392), (17, 13025640), (19, 11654520), (20, 11071794), (24, 9226495), (29, 7635720), (30, 7381196), (34, 6512820), (38, 5827260), (40, 5535897), (51, 4341880), (57, 3884840), (58, 3817860), (60, 3690598), (68, 3256410), (76, 2913630), (85, 2605128), (87, 2545240), (95, 2330904), (102, 2170940), (114, 1942420), (116, 1908930), (120, 1845299), (136, 1628205), (145, 1527144), (152, 1456815), (170, 1302564), (174, 1272620), (190, 1165452), (197, 1124040), (204, 1085470), (228, 971210), (232, 954465), (255, 868376), (285, 776968), (290, 763572), (323, 685560), (340, 651282), (348, 636310), (380, 582726), (394, 562020), (408, 542735), (435, 509048), (456, 485605), (493, 449160), (510, 434188), (551, 401880), (570, 388484), (580, 381786), (591, 374680), (646, 342780), (680, 325641), (696, 318155), (760, 291363), (788, 281010), (870, 254524), (969, 228520), (985, 224808), (986, 224580), (1020, 217094), (1102, 200940), (1140, 194242), (1160, 190893), (1182, 187340), (1292, 171390), (1479, 149720), (1576, 140505), (1615, 137112), (1653, 133960), (1740, 127262), (1938, 114260), (1970, 112404), (1972, 112290), (2040, 108547), (2204, 100470), (2280, 97121), (2364, 93670), (2465, 89832), (2584, 85695), (2755, 80376), (2955, 74936), (2958, 74860), (3230, 68556), (3306, 66980), (3349, 66120), (3480, 63631), (3743, 59160), (3876, 57130), (3940, 56202), (3944, 56145), (4408, 50235), (4728, 46835), (4845, 45704), (4930, 44916), (5510, 40188), (5713, 38760), (5910, 37468), (5916, 37430), (6460, 34278), (6612, 33490), (6698, 33060), (7395, 29944), (7486, 29580), (7752, 28565), (7880, 28101), (8265, 26792), (9367, 23640), (9690, 22852), (9860, 22458), (10047, 22040), (11020, 20094), (11229, 19720), (11426, 19380), (11820, 18734), (11832, 18715), (12920, 17139), (13224, 16745), (13396, 16530), (14790, 14972)]