238607240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1663}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 571484160

約数和(自身を除く): 332876920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1663, 1688, 2110, 3326, 3587, 4220, 6652, 7174, 8315, 8440, 13304, 14348, 16630, 17935, 28271, 28696, 33260, 35870, 56542, 66520, 71740, 113084, 141355, 143480, 226168, 282710, 350893, 565420, 701786, 1130840, 1403572, 1754465, 2807144, 3508930, 5965181, 7017860, 11930362, 14035720, 23860724, 29825905, 47721448, 59651810, 119303620, 238607240]

約数ペア:

[(1, 238607240), (2, 119303620), (4, 59651810), (5, 47721448), (8, 29825905), (10, 23860724), (17, 14035720), (20, 11930362), (34, 7017860), (40, 5965181), (68, 3508930), (85, 2807144), (136, 1754465), (170, 1403572), (211, 1130840), (340, 701786), (422, 565420), (680, 350893), (844, 282710), (1055, 226168), (1663, 143480), (1688, 141355), (2110, 113084), (3326, 71740), (3587, 66520), (4220, 56542), (6652, 35870), (7174, 33260), (8315, 28696), (8440, 28271), (13304, 17935), (14348, 16630)]