291227860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6521}}^1$

素因数の和:6577

約数の個数: 96

約数和(自身を含む): 788901120

約数和(自身を除く): 497673260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 580, 638, 770, 812, 1015, 1276, 1540, 1595, 2030, 2233, 3190, 4060, 4466, 6380, 6521, 8932, 11165, 13042, 22330, 26084, 32605, 44660, 45647, 65210, 71731, 91294, 130420, 143462, 182588, 189109, 228235, 286924, 358655, 378218, 456470, 502117, 717310, 756436, 912940, 945545, 1004234, 1323763, 1434620, 1891090, 2008468, 2080199, 2510585, 2647526, 3782180, 4160398, 5021170, 5295052, 6618815, 8320796, 10042340, 10400995, 13237630, 14561393, 20801990, 26475260, 29122786, 41603980, 58245572, 72806965, 145613930, 291227860]

約数ペア:

[(1, 291227860), (2, 145613930), (4, 72806965), (5, 58245572), (7, 41603980), (10, 29122786), (11, 26475260), (14, 20801990), (20, 14561393), (22, 13237630), (28, 10400995), (29, 10042340), (35, 8320796), (44, 6618815), (55, 5295052), (58, 5021170), (70, 4160398), (77, 3782180), (110, 2647526), (116, 2510585), (140, 2080199), (145, 2008468), (154, 1891090), (203, 1434620), (220, 1323763), (290, 1004234), (308, 945545), (319, 912940), (385, 756436), (406, 717310), (580, 502117), (638, 456470), (770, 378218), (812, 358655), (1015, 286924), (1276, 228235), (1540, 189109), (1595, 182588), (2030, 143462), (2233, 130420), (3190, 91294), (4060, 71731), (4466, 65210), (6380, 45647), (6521, 44660), (8932, 32605), (11165, 26084), (13042, 22330)]