343673720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1699}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 835380000

約数和(自身を除く): 491706280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 389, 520, 778, 1556, 1699, 1945, 3112, 3398, 3890, 5057, 6796, 7780, 8495, 10114, 13592, 15560, 16990, 20228, 22087, 25285, 33980, 40456, 44174, 50570, 67960, 88348, 101140, 110435, 176696, 202280, 220870, 441740, 660911, 883480, 1321822, 2643644, 3304555, 5287288, 6609110, 8591843, 13218220, 17183686, 26436440, 34367372, 42959215, 68734744, 85918430, 171836860, 343673720]

約数ペア:

[(1, 343673720), (2, 171836860), (4, 85918430), (5, 68734744), (8, 42959215), (10, 34367372), (13, 26436440), (20, 17183686), (26, 13218220), (40, 8591843), (52, 6609110), (65, 5287288), (104, 3304555), (130, 2643644), (260, 1321822), (389, 883480), (520, 660911), (778, 441740), (1556, 220870), (1699, 202280), (1945, 176696), (3112, 110435), (3398, 101140), (3890, 88348), (5057, 67960), (6796, 50570), (7780, 44174), (8495, 40456), (10114, 33980), (13592, 25285), (15560, 22087), (16990, 20228)]