238439240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7517}}^1$

素因数の和:7602

約数の個数: 64

約数和(自身を含む): 587306160

約数和(自身を除く): 348866920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 7517, 7930, 15034, 15860, 30068, 31720, 37585, 60136, 75170, 97721, 150340, 195442, 300680, 390884, 458537, 488605, 781768, 917074, 977210, 1834148, 1954420, 2292685, 3668296, 3908840, 4585370, 5960981, 9170740, 11921962, 18341480, 23843924, 29804905, 47687848, 59609810, 119219620, 238439240]

約数ペア:

[(1, 238439240), (2, 119219620), (4, 59609810), (5, 47687848), (8, 29804905), (10, 23843924), (13, 18341480), (20, 11921962), (26, 9170740), (40, 5960981), (52, 4585370), (61, 3908840), (65, 3668296), (104, 2292685), (122, 1954420), (130, 1834148), (244, 977210), (260, 917074), (305, 781768), (488, 488605), (520, 458537), (610, 390884), (793, 300680), (1220, 195442), (1586, 150340), (2440, 97721), (3172, 75170), (3965, 60136), (6344, 37585), (7517, 31720), (7930, 30068), (15034, 15860)]