163906340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 378520128

約数和(自身を除く): 214613788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 169, 260, 284, 338, 355, 676, 683, 710, 845, 923, 1366, 1420, 1690, 1846, 2732, 3380, 3415, 3692, 4615, 6830, 8879, 9230, 11999, 13660, 17758, 18460, 23998, 35516, 44395, 47996, 48493, 59995, 88790, 96986, 115427, 119990, 177580, 193972, 230854, 239980, 242465, 461708, 484930, 577135, 630409, 969860, 1154270, 1260818, 2308540, 2521636, 3152045, 6304090, 8195317, 12608180, 16390634, 32781268, 40976585, 81953170, 163906340]

約数ペア:

[(1, 163906340), (2, 81953170), (4, 40976585), (5, 32781268), (10, 16390634), (13, 12608180), (20, 8195317), (26, 6304090), (52, 3152045), (65, 2521636), (71, 2308540), (130, 1260818), (142, 1154270), (169, 969860), (260, 630409), (284, 577135), (338, 484930), (355, 461708), (676, 242465), (683, 239980), (710, 230854), (845, 193972), (923, 177580), (1366, 119990), (1420, 115427), (1690, 96986), (1846, 88790), (2732, 59995), (3380, 48493), (3415, 47996), (3692, 44395), (4615, 35516), (6830, 23998), (8879, 18460), (9230, 17758), (11999, 13660)]