1214989960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{6689}}^1$

素因数の和:6958

約数の個数: 64

約数和(自身を含む): 2890080000

約数和(自身を除く): 1675090040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 760, 956, 1195, 1912, 2390, 4541, 4780, 6689, 9082, 9560, 13378, 18164, 22705, 26756, 33445, 36328, 45410, 53512, 66890, 90820, 127091, 133780, 181640, 254182, 267560, 508364, 635455, 1016728, 1270910, 1598671, 2541820, 3197342, 5083640, 6394684, 7993355, 12789368, 15986710, 30374749, 31973420, 60749498, 63946840, 121498996, 151873745, 242997992, 303747490, 607494980, 1214989960]

約数ペア:

[(1, 1214989960), (2, 607494980), (4, 303747490), (5, 242997992), (8, 151873745), (10, 121498996), (19, 63946840), (20, 60749498), (38, 31973420), (40, 30374749), (76, 15986710), (95, 12789368), (152, 7993355), (190, 6394684), (239, 5083640), (380, 3197342), (478, 2541820), (760, 1598671), (956, 1270910), (1195, 1016728), (1912, 635455), (2390, 508364), (4541, 267560), (4780, 254182), (6689, 181640), (9082, 133780), (9560, 127091), (13378, 90820), (18164, 66890), (22705, 53512), (26756, 45410), (33445, 36328)]