818872660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 1871251200

約数和(自身を除く): 1052378540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 103, 134, 170, 206, 268, 335, 340, 349, 412, 515, 670, 698, 1030, 1139, 1340, 1396, 1745, 1751, 2060, 2278, 3490, 3502, 4556, 5695, 5933, 6901, 6980, 7004, 8755, 11390, 11866, 13802, 17510, 22780, 23383, 23732, 27604, 29665, 34505, 35020, 35947, 46766, 59330, 69010, 71894, 93532, 116915, 117317, 118660, 138020, 143788, 179735, 233830, 234634, 359470, 397511, 467660, 469268, 586585, 611099, 718940, 795022, 1173170, 1222198, 1590044, 1987555, 2346340, 2408449, 2444396, 3055495, 3975110, 4816898, 6110990, 7950220, 9633796, 12042245, 12221980, 24084490, 40943633, 48168980, 81887266, 163774532, 204718165, 409436330, 818872660]

約数ペア:

[(1, 818872660), (2, 409436330), (4, 204718165), (5, 163774532), (10, 81887266), (17, 48168980), (20, 40943633), (34, 24084490), (67, 12221980), (68, 12042245), (85, 9633796), (103, 7950220), (134, 6110990), (170, 4816898), (206, 3975110), (268, 3055495), (335, 2444396), (340, 2408449), (349, 2346340), (412, 1987555), (515, 1590044), (670, 1222198), (698, 1173170), (1030, 795022), (1139, 718940), (1340, 611099), (1396, 586585), (1745, 469268), (1751, 467660), (2060, 397511), (2278, 359470), (3490, 234634), (3502, 233830), (4556, 179735), (5695, 143788), (5933, 138020), (6901, 118660), (6980, 117317), (7004, 116915), (8755, 93532), (11390, 71894), (11866, 69010), (13802, 59330), (17510, 46766), (22780, 35947), (23383, 35020), (23732, 34505), (27604, 29665)]