2028400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 5327784

約数和(自身を除く): 3299384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 461, 550, 880, 922, 1100, 1844, 2200, 2305, 3688, 4400, 4610, 5071, 7376, 9220, 10142, 11525, 18440, 20284, 23050, 25355, 36880, 40568, 46100, 50710, 81136, 92200, 101420, 126775, 184400, 202840, 253550, 405680, 507100, 1014200, 2028400]

約数ペア:

[(1, 2028400), (2, 1014200), (4, 507100), (5, 405680), (8, 253550), (10, 202840), (11, 184400), (16, 126775), (20, 101420), (22, 92200), (25, 81136), (40, 50710), (44, 46100), (50, 40568), (55, 36880), (80, 25355), (88, 23050), (100, 20284), (110, 18440), (176, 11525), (200, 10142), (220, 9220), (275, 7376), (400, 5071), (440, 4610), (461, 4400), (550, 3688), (880, 2305), (922, 2200), (1100, 1844)]