289989440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69709}}^1$

素因数の和:69739

約数の個数: 56

約数和(自身を含む): 743666280

約数和(自身を除く): 453676840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 69709, 139418, 278836, 348545, 557672, 697090, 906217, 1115344, 1394180, 1812434, 2230688, 2788360, 3624868, 4461376, 4531085, 5576720, 7249736, 9062170, 11153440, 14499472, 18124340, 22306880, 28998944, 36248680, 57997888, 72497360, 144994720, 289989440]

約数ペア:

[(1, 289989440), (2, 144994720), (4, 72497360), (5, 57997888), (8, 36248680), (10, 28998944), (13, 22306880), (16, 18124340), (20, 14499472), (26, 11153440), (32, 9062170), (40, 7249736), (52, 5576720), (64, 4531085), (65, 4461376), (80, 3624868), (104, 2788360), (130, 2230688), (160, 1812434), (208, 1394180), (260, 1115344), (320, 906217), (416, 697090), (520, 557672), (832, 348545), (1040, 278836), (2080, 139418), (4160, 69709)]