29928140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 70383600

約数和(自身を除く): 40455460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 149, 166, 220, 242, 298, 332, 415, 484, 596, 605, 745, 830, 913, 1210, 1490, 1639, 1660, 1826, 2420, 2980, 3278, 3652, 4565, 6556, 8195, 9130, 10043, 12367, 16390, 18029, 18260, 20086, 24734, 32780, 36058, 40172, 49468, 50215, 61835, 72116, 90145, 100430, 123670, 136037, 180290, 200860, 247340, 272074, 360580, 544148, 680185, 1360370, 1496407, 2720740, 2992814, 5985628, 7482035, 14964070, 29928140]

約数ペア:

[(1, 29928140), (2, 14964070), (4, 7482035), (5, 5985628), (10, 2992814), (11, 2720740), (20, 1496407), (22, 1360370), (44, 680185), (55, 544148), (83, 360580), (110, 272074), (121, 247340), (149, 200860), (166, 180290), (220, 136037), (242, 123670), (298, 100430), (332, 90145), (415, 72116), (484, 61835), (596, 50215), (605, 49468), (745, 40172), (830, 36058), (913, 32780), (1210, 24734), (1490, 20086), (1639, 18260), (1660, 18029), (1826, 16390), (2420, 12367), (2980, 10043), (3278, 9130), (3652, 8195), (4565, 6556)]