156937259740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1627

約数の個数: 96

約数和(自身を含む): 336448111104

約数和(自身を除く): 179510851364

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 317, 355, 443, 634, 710, 787, 886, 1268, 1420, 1574, 1585, 1772, 2215, 3148, 3170, 3935, 4430, 6340, 7870, 8860, 15740, 22507, 31453, 45014, 55877, 62906, 90028, 111754, 112535, 125812, 140431, 157265, 223508, 225070, 249479, 279385, 280862, 314530, 348641, 450140, 498958, 558770, 561724, 629060, 697282, 702155, 997916, 1117540, 1247395, 1394564, 1404310, 1743205, 2494790, 2808620, 3486410, 4989580, 6972820, 9970601, 17713009, 19941202, 24753511, 35426018, 39882404, 49507022, 49853005, 70852036, 88565045, 99014044, 99706010, 110519197, 123767555, 177130090, 199412020, 221038394, 247535110, 354260180, 442076788, 495070220, 552595985, 1105191970, 2210383940, 7846862987, 15693725974, 31387451948, 39234314935, 78468629870, 156937259740]

約数ペア:

[(1, 156937259740), (2, 78468629870), (4, 39234314935), (5, 31387451948), (10, 15693725974), (20, 7846862987), (71, 2210383940), (142, 1105191970), (284, 552595985), (317, 495070220), (355, 442076788), (443, 354260180), (634, 247535110), (710, 221038394), (787, 199412020), (886, 177130090), (1268, 123767555), (1420, 110519197), (1574, 99706010), (1585, 99014044), (1772, 88565045), (2215, 70852036), (3148, 49853005), (3170, 49507022), (3935, 39882404), (4430, 35426018), (6340, 24753511), (7870, 19941202), (8860, 17713009), (15740, 9970601), (22507, 6972820), (31453, 4989580), (45014, 3486410), (55877, 2808620), (62906, 2494790), (90028, 1743205), (111754, 1404310), (112535, 1394564), (125812, 1247395), (140431, 1117540), (157265, 997916), (223508, 702155), (225070, 697282), (249479, 629060), (279385, 561724), (280862, 558770), (314530, 498958), (348641, 450140)]