54447580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 127360800

約数和(自身を除く): 72913220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 151, 220, 242, 298, 302, 484, 596, 604, 605, 745, 755, 1210, 1490, 1510, 1639, 1661, 2420, 2980, 3020, 3278, 3322, 6556, 6644, 8195, 8305, 16390, 16610, 18029, 18271, 22499, 32780, 33220, 36058, 36542, 44998, 72116, 73084, 89996, 90145, 91355, 112495, 180290, 182710, 224990, 247489, 360580, 365420, 449980, 494978, 989956, 1237445, 2474890, 2722379, 4949780, 5444758, 10889516, 13611895, 27223790, 54447580]

約数ペア:

[(1, 54447580), (2, 27223790), (4, 13611895), (5, 10889516), (10, 5444758), (11, 4949780), (20, 2722379), (22, 2474890), (44, 1237445), (55, 989956), (110, 494978), (121, 449980), (149, 365420), (151, 360580), (220, 247489), (242, 224990), (298, 182710), (302, 180290), (484, 112495), (596, 91355), (604, 90145), (605, 89996), (745, 73084), (755, 72116), (1210, 44998), (1490, 36542), (1510, 36058), (1639, 33220), (1661, 32780), (2420, 22499), (2980, 18271), (3020, 18029), (3278, 16610), (3322, 16390), (6556, 8305), (6644, 8195)]