1556491970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:984

約数の個数: 96

約数和(自身を含む): 3286483200

約数和(自身を除く): 1729991230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 79, 95, 110, 121, 158, 190, 209, 242, 395, 418, 605, 790, 857, 869, 1045, 1210, 1501, 1714, 1738, 2090, 2299, 3002, 4285, 4345, 4598, 7505, 8570, 8690, 9427, 9559, 11495, 15010, 16283, 16511, 18854, 19118, 22990, 32566, 33022, 47135, 47795, 67703, 81415, 82555, 94270, 95590, 103697, 135406, 162830, 165110, 179113, 181621, 207394, 338515, 358226, 363242, 518485, 677030, 744733, 895565, 908105, 1036970, 1286357, 1489466, 1791130, 1816210, 1970243, 2572714, 3723665, 3940486, 6431785, 7447330, 8192063, 9851215, 12863570, 14149927, 16384126, 19702430, 28299854, 40960315, 70749635, 81920630, 141499270, 155649197, 311298394, 778245985, 1556491970]

約数ペア:

[(1, 1556491970), (2, 778245985), (5, 311298394), (10, 155649197), (11, 141499270), (19, 81920630), (22, 70749635), (38, 40960315), (55, 28299854), (79, 19702430), (95, 16384126), (110, 14149927), (121, 12863570), (158, 9851215), (190, 8192063), (209, 7447330), (242, 6431785), (395, 3940486), (418, 3723665), (605, 2572714), (790, 1970243), (857, 1816210), (869, 1791130), (1045, 1489466), (1210, 1286357), (1501, 1036970), (1714, 908105), (1738, 895565), (2090, 744733), (2299, 677030), (3002, 518485), (4285, 363242), (4345, 358226), (4598, 338515), (7505, 207394), (8570, 181621), (8690, 179113), (9427, 165110), (9559, 162830), (11495, 135406), (15010, 103697), (16283, 95590), (16511, 94270), (18854, 82555), (19118, 81415), (22990, 67703), (32566, 47795), (33022, 47135)]