200412420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256939}}^1$

素因数の和:256964

約数の個数: 48

約数和(自身を含む): 604322880

約数和(自身を除く): 403910460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 256939, 513878, 770817, 1027756, 1284695, 1541634, 2569390, 3083268, 3340207, 3854085, 5138780, 6680414, 7708170, 10020621, 13360828, 15416340, 16701035, 20041242, 33402070, 40082484, 50103105, 66804140, 100206210, 200412420]

約数ペア:

[(1, 200412420), (2, 100206210), (3, 66804140), (4, 50103105), (5, 40082484), (6, 33402070), (10, 20041242), (12, 16701035), (13, 15416340), (15, 13360828), (20, 10020621), (26, 7708170), (30, 6680414), (39, 5138780), (52, 3854085), (60, 3340207), (65, 3083268), (78, 2569390), (130, 1541634), (156, 1284695), (195, 1027756), (260, 770817), (390, 513878), (780, 256939)]