239366920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 581742000

約数和(自身を除く): 342375080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 569, 809, 1138, 1618, 2276, 2845, 3236, 4045, 4552, 5690, 6472, 7397, 8090, 10517, 11380, 14794, 16180, 21034, 22760, 29588, 32360, 36985, 42068, 52585, 59176, 73970, 84136, 105170, 147940, 210340, 295880, 420680, 460321, 920642, 1841284, 2301605, 3682568, 4603210, 5984173, 9206420, 11968346, 18412840, 23936692, 29920865, 47873384, 59841730, 119683460, 239366920]

約数ペア:

[(1, 239366920), (2, 119683460), (4, 59841730), (5, 47873384), (8, 29920865), (10, 23936692), (13, 18412840), (20, 11968346), (26, 9206420), (40, 5984173), (52, 4603210), (65, 3682568), (104, 2301605), (130, 1841284), (260, 920642), (520, 460321), (569, 420680), (809, 295880), (1138, 210340), (1618, 147940), (2276, 105170), (2845, 84136), (3236, 73970), (4045, 59176), (4552, 52585), (5690, 42068), (6472, 36985), (7397, 32360), (8090, 29588), (10517, 22760), (11380, 21034), (14794, 16180)]