202606720

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3557}}^1$

素因数の和:3665

約数の個数: 64

約数和(自身を含む): 489936600

約数和(自身を除く): 287329880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2848, 3557, 3560, 5696, 7114, 7120, 11392, 14228, 14240, 17785, 28456, 28480, 35570, 56912, 56960, 71140, 113824, 142280, 227648, 284560, 316573, 455296, 569120, 633146, 1138240, 1266292, 1582865, 2276480, 2532584, 3165730, 5065168, 6331460, 10130336, 12662920, 20260672, 25325840, 40521344, 50651680, 101303360, 202606720]

約数ペア:

[(1, 202606720), (2, 101303360), (4, 50651680), (5, 40521344), (8, 25325840), (10, 20260672), (16, 12662920), (20, 10130336), (32, 6331460), (40, 5065168), (64, 3165730), (80, 2532584), (89, 2276480), (128, 1582865), (160, 1266292), (178, 1138240), (320, 633146), (356, 569120), (445, 455296), (640, 316573), (712, 284560), (890, 227648), (1424, 142280), (1780, 113824), (2848, 71140), (3557, 56960), (3560, 56912), (5696, 35570), (7114, 28480), (7120, 28456), (11392, 17785), (14228, 14240)]