87335380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 203777280

約数和(自身を除く): 116441900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 151, 220, 239, 242, 302, 478, 484, 604, 605, 755, 956, 1195, 1210, 1510, 1661, 2390, 2420, 2629, 3020, 3322, 4780, 5258, 6644, 8305, 10516, 13145, 16610, 18271, 26290, 28919, 33220, 36089, 36542, 52580, 57838, 72178, 73084, 91355, 115676, 144356, 144595, 180445, 182710, 289190, 360890, 365420, 396979, 578380, 721780, 793958, 1587916, 1984895, 3969790, 4366769, 7939580, 8733538, 17467076, 21833845, 43667690, 87335380]

約数ペア:

[(1, 87335380), (2, 43667690), (4, 21833845), (5, 17467076), (10, 8733538), (11, 7939580), (20, 4366769), (22, 3969790), (44, 1984895), (55, 1587916), (110, 793958), (121, 721780), (151, 578380), (220, 396979), (239, 365420), (242, 360890), (302, 289190), (478, 182710), (484, 180445), (604, 144595), (605, 144356), (755, 115676), (956, 91355), (1195, 73084), (1210, 72178), (1510, 57838), (1661, 52580), (2390, 36542), (2420, 36089), (2629, 33220), (3020, 28919), (3322, 26290), (4780, 18271), (5258, 16610), (6644, 13145), (8305, 10516)]