573174580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 1329914880

約数和(自身を除く): 756740300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 239, 242, 478, 484, 605, 956, 991, 1195, 1210, 1982, 2390, 2420, 2629, 3964, 4780, 4955, 5258, 9910, 10516, 10901, 13145, 19820, 21802, 26290, 28919, 43604, 52580, 54505, 57838, 109010, 115676, 119911, 144595, 218020, 236849, 239822, 289190, 473698, 479644, 578380, 599555, 947396, 1184245, 1199110, 2368490, 2398220, 2605339, 4736980, 5210678, 10421356, 13026695, 26053390, 28658729, 52106780, 57317458, 114634916, 143293645, 286587290, 573174580]

約数ペア:

[(1, 573174580), (2, 286587290), (4, 143293645), (5, 114634916), (10, 57317458), (11, 52106780), (20, 28658729), (22, 26053390), (44, 13026695), (55, 10421356), (110, 5210678), (121, 4736980), (220, 2605339), (239, 2398220), (242, 2368490), (478, 1199110), (484, 1184245), (605, 947396), (956, 599555), (991, 578380), (1195, 479644), (1210, 473698), (1982, 289190), (2390, 239822), (2420, 236849), (2629, 218020), (3964, 144595), (4780, 119911), (4955, 115676), (5258, 109010), (9910, 57838), (10516, 54505), (10901, 52580), (13145, 43604), (19820, 28919), (21802, 26290)]