56490990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 154828800

約数和(自身を除く): 98337810

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 31, 38, 46, 57, 62, 69, 93, 95, 114, 115, 138, 139, 155, 186, 190, 230, 278, 285, 310, 345, 417, 437, 465, 570, 589, 690, 695, 713, 834, 874, 930, 1178, 1311, 1390, 1426, 1767, 2085, 2139, 2185, 2622, 2641, 2945, 3197, 3534, 3565, 4170, 4278, 4309, 4370, 5282, 5890, 6394, 6555, 7130, 7923, 8618, 8835, 9591, 10695, 12927, 13110, 13205, 13547, 15846, 15985, 17670, 19182, 21390, 21545, 25854, 26410, 27094, 31970, 39615, 40641, 43090, 47955, 60743, 64635, 67735, 79230, 81282, 81871, 95910, 99107, 121486, 129270, 135470, 163742, 182229, 198214, 203205, 245613, 297321, 303715, 364458, 406410, 409355, 491226, 495535, 594642, 607430, 818710, 911145, 991070, 1228065, 1486605, 1822290, 1883033, 2456130, 2973210, 3766066, 5649099, 9415165, 11298198, 18830330, 28245495, 56490990]

約数ペア:

[(1, 56490990), (2, 28245495), (3, 18830330), (5, 11298198), (6, 9415165), (10, 5649099), (15, 3766066), (19, 2973210), (23, 2456130), (30, 1883033), (31, 1822290), (38, 1486605), (46, 1228065), (57, 991070), (62, 911145), (69, 818710), (93, 607430), (95, 594642), (114, 495535), (115, 491226), (138, 409355), (139, 406410), (155, 364458), (186, 303715), (190, 297321), (230, 245613), (278, 203205), (285, 198214), (310, 182229), (345, 163742), (417, 135470), (437, 129270), (465, 121486), (570, 99107), (589, 95910), (690, 81871), (695, 81282), (713, 79230), (834, 67735), (874, 64635), (930, 60743), (1178, 47955), (1311, 43090), (1390, 40641), (1426, 39615), (1767, 31970), (2085, 27094), (2139, 26410), (2185, 25854), (2622, 21545), (2641, 21390), (2945, 19182), (3197, 17670), (3534, 15985), (3565, 15846), (4170, 13547), (4278, 13205), (4309, 13110), (4370, 12927), (5282, 10695), (5890, 9591), (6394, 8835), (6555, 8618), (7130, 7923)]