280848204

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 216

約数和(自身を含む): 916148688

約数和(自身を除く): 635300484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 49, 52, 63, 74, 78, 84, 91, 98, 111, 117, 126, 147, 148, 156, 182, 196, 222, 234, 252, 259, 273, 294, 331, 333, 364, 441, 444, 468, 481, 518, 546, 588, 637, 662, 666, 777, 819, 882, 962, 993, 1036, 1092, 1274, 1324, 1332, 1443, 1554, 1638, 1764, 1813, 1911, 1924, 1986, 2317, 2331, 2548, 2886, 2979, 3108, 3276, 3367, 3626, 3822, 3972, 4303, 4329, 4634, 4662, 5439, 5733, 5772, 5958, 6734, 6951, 7252, 7644, 8606, 8658, 9268, 9324, 10101, 10878, 11466, 11916, 12247, 12909, 13468, 13902, 16219, 16317, 17212, 17316, 20202, 20853, 21756, 22932, 23569, 24494, 25818, 27804, 30121, 30303, 32438, 32634, 36741, 38727, 40404, 41706, 47138, 48657, 48988, 51636, 60242, 60606, 64876, 65268, 70707, 73482, 77454, 83412, 85729, 90363, 94276, 97314, 110223, 120484, 121212, 141414, 145971, 146964, 154908, 159211, 171458, 180726, 194628, 210847, 212121, 220446, 257187, 271089, 282828, 291942, 318422, 342916, 361452, 421694, 424242, 440892, 477633, 514374, 542178, 583884, 600103, 632541, 636844, 771561, 843388, 848484, 955266, 1028748, 1084356, 1114477, 1200206, 1265082, 1432899, 1543122, 1800309, 1897623, 1910532, 2228954, 2400412, 2530164, 2865798, 3086244, 3343431, 3600618, 3795246, 4457908, 5400927, 5731596, 6686862, 7201236, 7590492, 7801339, 10030293, 10801854, 13373724, 15602678, 20060586, 21603708, 23404017, 31205356, 40121172, 46808034, 70212051, 93616068, 140424102, 280848204]

約数ペア:

[(1, 280848204), (2, 140424102), (3, 93616068), (4, 70212051), (6, 46808034), (7, 40121172), (9, 31205356), (12, 23404017), (13, 21603708), (14, 20060586), (18, 15602678), (21, 13373724), (26, 10801854), (28, 10030293), (36, 7801339), (37, 7590492), (39, 7201236), (42, 6686862), (49, 5731596), (52, 5400927), (63, 4457908), (74, 3795246), (78, 3600618), (84, 3343431), (91, 3086244), (98, 2865798), (111, 2530164), (117, 2400412), (126, 2228954), (147, 1910532), (148, 1897623), (156, 1800309), (182, 1543122), (196, 1432899), (222, 1265082), (234, 1200206), (252, 1114477), (259, 1084356), (273, 1028748), (294, 955266), (331, 848484), (333, 843388), (364, 771561), (441, 636844), (444, 632541), (468, 600103), (481, 583884), (518, 542178), (546, 514374), (588, 477633), (637, 440892), (662, 424242), (666, 421694), (777, 361452), (819, 342916), (882, 318422), (962, 291942), (993, 282828), (1036, 271089), (1092, 257187), (1274, 220446), (1324, 212121), (1332, 210847), (1443, 194628), (1554, 180726), (1638, 171458), (1764, 159211), (1813, 154908), (1911, 146964), (1924, 145971), (1986, 141414), (2317, 121212), (2331, 120484), (2548, 110223), (2886, 97314), (2979, 94276), (3108, 90363), (3276, 85729), (3367, 83412), (3626, 77454), (3822, 73482), (3972, 70707), (4303, 65268), (4329, 64876), (4634, 60606), (4662, 60242), (5439, 51636), (5733, 48988), (5772, 48657), (5958, 47138), (6734, 41706), (6951, 40404), (7252, 38727), (7644, 36741), (8606, 32634), (8658, 32438), (9268, 30303), (9324, 30121), (10101, 27804), (10878, 25818), (11466, 24494), (11916, 23569), (12247, 22932), (12909, 21756), (13468, 20853), (13902, 20202), (16219, 17316), (16317, 17212)]