1239366980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2109

約数の個数: 96

約数和(自身を含む): 2894330880

約数和(自身を除く): 1654963900

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 59, 62, 68, 85, 118, 124, 155, 170, 236, 295, 310, 340, 527, 590, 620, 1003, 1054, 1180, 1829, 1993, 2006, 2108, 2635, 3658, 3986, 4012, 5015, 5270, 7316, 7972, 9145, 9965, 10030, 10540, 18290, 19930, 20060, 31093, 33881, 36580, 39860, 61783, 62186, 67762, 117587, 123566, 124372, 135524, 155465, 169405, 235174, 247132, 308915, 310930, 338810, 470348, 587935, 617830, 621860, 677620, 1050311, 1175870, 1235660, 1998979, 2100622, 2351740, 3645197, 3997958, 4201244, 5251555, 7290394, 7995916, 9994895, 10503110, 14580788, 18225985, 19989790, 21006220, 36451970, 39979580, 61968349, 72903940, 123936698, 247873396, 309841745, 619683490, 1239366980]

約数ペア:

[(1, 1239366980), (2, 619683490), (4, 309841745), (5, 247873396), (10, 123936698), (17, 72903940), (20, 61968349), (31, 39979580), (34, 36451970), (59, 21006220), (62, 19989790), (68, 18225985), (85, 14580788), (118, 10503110), (124, 9994895), (155, 7995916), (170, 7290394), (236, 5251555), (295, 4201244), (310, 3997958), (340, 3645197), (527, 2351740), (590, 2100622), (620, 1998979), (1003, 1235660), (1054, 1175870), (1180, 1050311), (1829, 677620), (1993, 621860), (2006, 617830), (2108, 587935), (2635, 470348), (3658, 338810), (3986, 310930), (4012, 308915), (5015, 247132), (5270, 235174), (7316, 169405), (7972, 155465), (9145, 135524), (9965, 124372), (10030, 123566), (10540, 117587), (18290, 67762), (19930, 62186), (20060, 61783), (31093, 39860), (33881, 36580)]