290995760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10667}}^1$

素因数の和:10722

約数の個数: 80

約数和(自身を含む): 761951232

約数和(自身を除く): 470955472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 10667, 13640, 21334, 27280, 42668, 53335, 85336, 106670, 117337, 170672, 213340, 234674, 330677, 426680, 469348, 586685, 661354, 853360, 938696, 1173370, 1322708, 1653385, 1877392, 2346740, 2645416, 3306770, 3637447, 4693480, 5290832, 6613540, 7274894, 9386960, 13227080, 14549788, 18187235, 26454160, 29099576, 36374470, 58199152, 72748940, 145497880, 290995760]

約数ペア:

[(1, 290995760), (2, 145497880), (4, 72748940), (5, 58199152), (8, 36374470), (10, 29099576), (11, 26454160), (16, 18187235), (20, 14549788), (22, 13227080), (31, 9386960), (40, 7274894), (44, 6613540), (55, 5290832), (62, 4693480), (80, 3637447), (88, 3306770), (110, 2645416), (124, 2346740), (155, 1877392), (176, 1653385), (220, 1322708), (248, 1173370), (310, 938696), (341, 853360), (440, 661354), (496, 586685), (620, 469348), (682, 426680), (880, 330677), (1240, 234674), (1364, 213340), (1705, 170672), (2480, 117337), (2728, 106670), (3410, 85336), (5456, 53335), (6820, 42668), (10667, 27280), (13640, 21334)]