145004720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 120

約数和(自身を含む): 398465568

約数和(自身を除く): 253460848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 521, 560, 568, 710, 784, 980, 994, 1042, 1136, 1420, 1960, 1988, 2084, 2485, 2605, 2840, 3479, 3647, 3920, 3976, 4168, 4970, 5210, 5680, 6958, 7294, 7952, 8336, 9940, 10420, 13916, 14588, 17395, 18235, 19880, 20840, 25529, 27832, 29176, 34790, 36470, 36991, 39760, 41680, 51058, 55664, 58352, 69580, 72940, 73982, 102116, 127645, 139160, 145880, 147964, 184955, 204232, 255290, 258937, 278320, 291760, 295928, 369910, 408464, 510580, 517874, 591856, 739820, 1021160, 1035748, 1294685, 1479640, 1812559, 2042320, 2071496, 2589370, 2959280, 3625118, 4142992, 5178740, 7250236, 9062795, 10357480, 14500472, 18125590, 20714960, 29000944, 36251180, 72502360, 145004720]

約数ペア:

[(1, 145004720), (2, 72502360), (4, 36251180), (5, 29000944), (7, 20714960), (8, 18125590), (10, 14500472), (14, 10357480), (16, 9062795), (20, 7250236), (28, 5178740), (35, 4142992), (40, 3625118), (49, 2959280), (56, 2589370), (70, 2071496), (71, 2042320), (80, 1812559), (98, 1479640), (112, 1294685), (140, 1035748), (142, 1021160), (196, 739820), (245, 591856), (280, 517874), (284, 510580), (355, 408464), (392, 369910), (490, 295928), (497, 291760), (521, 278320), (560, 258937), (568, 255290), (710, 204232), (784, 184955), (980, 147964), (994, 145880), (1042, 139160), (1136, 127645), (1420, 102116), (1960, 73982), (1988, 72940), (2084, 69580), (2485, 58352), (2605, 55664), (2840, 51058), (3479, 41680), (3647, 39760), (3920, 36991), (3976, 36470), (4168, 34790), (4970, 29176), (5210, 27832), (5680, 25529), (6958, 20840), (7294, 19880), (7952, 18235), (8336, 17395), (9940, 14588), (10420, 13916)]