278301440

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5303}}^1$

素因数の和:5365

約数の個数: 72

約数和(自身を含む): 683006688

約数和(自身を除く): 404705248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 2624, 3280, 5248, 5303, 6560, 10496, 10606, 13120, 21212, 26240, 26515, 42424, 52480, 53030, 84848, 106060, 169696, 212120, 217423, 339392, 424240, 434846, 678784, 848480, 869692, 1087115, 1357568, 1696960, 1739384, 2174230, 3393920, 3478768, 4348460, 6787840, 6957536, 8696920, 13915072, 17393840, 27830144, 34787680, 55660288, 69575360, 139150720, 278301440]

約数ペア:

[(1, 278301440), (2, 139150720), (4, 69575360), (5, 55660288), (8, 34787680), (10, 27830144), (16, 17393840), (20, 13915072), (32, 8696920), (40, 6957536), (41, 6787840), (64, 4348460), (80, 3478768), (82, 3393920), (128, 2174230), (160, 1739384), (164, 1696960), (205, 1357568), (256, 1087115), (320, 869692), (328, 848480), (410, 678784), (640, 434846), (656, 424240), (820, 339392), (1280, 217423), (1312, 212120), (1640, 169696), (2624, 106060), (3280, 84848), (5248, 53030), (5303, 52480), (6560, 42424), (10496, 26515), (10606, 26240), (13120, 21212)]