291240620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 696729600

約数和(自身を除く): 405488980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 191, 220, 239, 290, 319, 382, 478, 580, 638, 764, 955, 956, 1195, 1276, 1595, 1910, 2101, 2390, 2629, 3190, 3820, 4202, 4780, 5258, 5539, 6380, 6931, 8404, 10505, 10516, 11078, 13145, 13862, 21010, 22156, 26290, 27695, 27724, 34655, 42020, 45649, 52580, 55390, 60929, 69310, 76241, 91298, 110780, 121858, 138620, 152482, 182596, 228245, 243716, 304645, 304964, 381205, 456490, 502139, 609290, 762410, 912980, 1004278, 1218580, 1323821, 1524820, 2008556, 2510695, 2647642, 5021390, 5295284, 6619105, 10042780, 13238210, 14562031, 26476420, 29124062, 58248124, 72810155, 145620310, 291240620]

約数ペア:

[(1, 291240620), (2, 145620310), (4, 72810155), (5, 58248124), (10, 29124062), (11, 26476420), (20, 14562031), (22, 13238210), (29, 10042780), (44, 6619105), (55, 5295284), (58, 5021390), (110, 2647642), (116, 2510695), (145, 2008556), (191, 1524820), (220, 1323821), (239, 1218580), (290, 1004278), (319, 912980), (382, 762410), (478, 609290), (580, 502139), (638, 456490), (764, 381205), (955, 304964), (956, 304645), (1195, 243716), (1276, 228245), (1595, 182596), (1910, 152482), (2101, 138620), (2390, 121858), (2629, 110780), (3190, 91298), (3820, 76241), (4202, 69310), (4780, 60929), (5258, 55390), (5539, 52580), (6380, 45649), (6931, 42020), (8404, 34655), (10505, 27724), (10516, 27695), (11078, 26290), (13145, 22156), (13862, 21010)]