881401640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 2483395200

約数和(自身を除く): 1601993560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 197, 203, 232, 266, 280, 290, 380, 394, 406, 532, 551, 580, 665, 760, 788, 812, 841, 985, 1015, 1064, 1102, 1160, 1330, 1379, 1576, 1624, 1682, 1970, 2030, 2204, 2660, 2755, 2758, 3364, 3743, 3857, 3940, 4060, 4205, 4408, 5320, 5510, 5516, 5713, 5887, 6728, 6895, 7486, 7714, 7880, 8120, 8410, 11020, 11032, 11426, 11774, 13790, 14972, 15428, 15979, 16820, 18715, 19285, 22040, 22852, 23548, 26201, 27580, 28565, 29435, 29944, 30856, 31958, 33640, 37430, 38570, 39991, 45704, 47096, 52402, 55160, 57130, 58870, 63916, 74860, 77140, 79895, 79982, 104804, 108547, 111853, 114260, 117740, 127832, 131005, 149720, 154280, 159790, 159964, 165677, 199955, 209608, 217094, 223706, 228520, 235480, 262010, 319580, 319928, 331354, 399910, 434188, 447412, 524020, 542735, 559265, 639160, 662708, 759829, 799820, 828385, 868376, 894824, 1048040, 1085470, 1118530, 1159739, 1325416, 1519658, 1599640, 1656770, 2170940, 2237060, 2319478, 3039316, 3147863, 3313540, 3799145, 4341880, 4474120, 4638956, 5798695, 6078632, 6295726, 6627080, 7598290, 9277912, 11597390, 12591452, 15196580, 15739315, 22035041, 23194780, 25182904, 30393160, 31478630, 44070082, 46389560, 62957260, 88140164, 110175205, 125914520, 176280328, 220350410, 440700820, 881401640]

約数ペア:

[(1, 881401640), (2, 440700820), (4, 220350410), (5, 176280328), (7, 125914520), (8, 110175205), (10, 88140164), (14, 62957260), (19, 46389560), (20, 44070082), (28, 31478630), (29, 30393160), (35, 25182904), (38, 23194780), (40, 22035041), (56, 15739315), (58, 15196580), (70, 12591452), (76, 11597390), (95, 9277912), (116, 7598290), (133, 6627080), (140, 6295726), (145, 6078632), (152, 5798695), (190, 4638956), (197, 4474120), (203, 4341880), (232, 3799145), (266, 3313540), (280, 3147863), (290, 3039316), (380, 2319478), (394, 2237060), (406, 2170940), (532, 1656770), (551, 1599640), (580, 1519658), (665, 1325416), (760, 1159739), (788, 1118530), (812, 1085470), (841, 1048040), (985, 894824), (1015, 868376), (1064, 828385), (1102, 799820), (1160, 759829), (1330, 662708), (1379, 639160), (1576, 559265), (1624, 542735), (1682, 524020), (1970, 447412), (2030, 434188), (2204, 399910), (2660, 331354), (2755, 319928), (2758, 319580), (3364, 262010), (3743, 235480), (3857, 228520), (3940, 223706), (4060, 217094), (4205, 209608), (4408, 199955), (5320, 165677), (5510, 159964), (5516, 159790), (5713, 154280), (5887, 149720), (6728, 131005), (6895, 127832), (7486, 117740), (7714, 114260), (7880, 111853), (8120, 108547), (8410, 104804), (11020, 79982), (11032, 79895), (11426, 77140), (11774, 74860), (13790, 63916), (14972, 58870), (15428, 57130), (15979, 55160), (16820, 52402), (18715, 47096), (19285, 45704), (22040, 39991), (22852, 38570), (23548, 37430), (26201, 33640), (27580, 31958), (28565, 30856), (29435, 29944)]