10888900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 27185760

約数和(自身を除く): 16296860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 521, 550, 836, 950, 1042, 1045, 1100, 1900, 2084, 2090, 2605, 4180, 5210, 5225, 5731, 9899, 10420, 10450, 11462, 13025, 19798, 20900, 22924, 26050, 28655, 39596, 49495, 52100, 57310, 98990, 108889, 114620, 143275, 197980, 217778, 247475, 286550, 435556, 494950, 544445, 573100, 989900, 1088890, 2177780, 2722225, 5444450, 10888900]

約数ペア:

[(1, 10888900), (2, 5444450), (4, 2722225), (5, 2177780), (10, 1088890), (11, 989900), (19, 573100), (20, 544445), (22, 494950), (25, 435556), (38, 286550), (44, 247475), (50, 217778), (55, 197980), (76, 143275), (95, 114620), (100, 108889), (110, 98990), (190, 57310), (209, 52100), (220, 49495), (275, 39596), (380, 28655), (418, 26050), (475, 22924), (521, 20900), (550, 19798), (836, 13025), (950, 11462), (1042, 10450), (1045, 10420), (1100, 9899), (1900, 5731), (2084, 5225), (2090, 5210), (2605, 4180)]