290469140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65717}}^1$

素因数の和:65756

約数の個数: 48

約数和(自身を含む): 695559312

約数和(自身を除く): 405090172

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 65717, 131434, 262868, 328585, 657170, 854321, 1117189, 1314340, 1708642, 2234378, 3417284, 4271605, 4468756, 5585945, 8543210, 11171890, 14523457, 17086420, 22343780, 29046914, 58093828, 72617285, 145234570, 290469140]

約数ペア:

[(1, 290469140), (2, 145234570), (4, 72617285), (5, 58093828), (10, 29046914), (13, 22343780), (17, 17086420), (20, 14523457), (26, 11171890), (34, 8543210), (52, 5585945), (65, 4468756), (68, 4271605), (85, 3417284), (130, 2234378), (170, 1708642), (221, 1314340), (260, 1117189), (340, 854321), (442, 657170), (884, 328585), (1105, 262868), (2210, 131434), (4420, 65717)]