907177420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 2090188800

約数和(自身を除く): 1183011380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 191, 290, 380, 382, 431, 551, 580, 764, 862, 955, 1102, 1724, 1910, 2155, 2204, 2755, 3629, 3820, 4310, 5510, 5539, 7258, 8189, 8620, 11020, 11078, 12499, 14516, 16378, 18145, 22156, 24998, 27695, 32756, 36290, 40945, 49996, 55390, 62495, 72580, 81890, 82321, 105241, 110780, 124990, 163780, 164642, 210482, 237481, 249980, 329284, 411605, 420964, 474962, 526205, 823210, 949924, 1052410, 1187405, 1564099, 1646420, 2104820, 2374810, 2387309, 3128198, 4749620, 4774618, 6256396, 7820495, 9549236, 11936545, 15640990, 23873090, 31281980, 45358871, 47746180, 90717742, 181435484, 226794355, 453588710, 907177420]

約数ペア:

[(1, 907177420), (2, 453588710), (4, 226794355), (5, 181435484), (10, 90717742), (19, 47746180), (20, 45358871), (29, 31281980), (38, 23873090), (58, 15640990), (76, 11936545), (95, 9549236), (116, 7820495), (145, 6256396), (190, 4774618), (191, 4749620), (290, 3128198), (380, 2387309), (382, 2374810), (431, 2104820), (551, 1646420), (580, 1564099), (764, 1187405), (862, 1052410), (955, 949924), (1102, 823210), (1724, 526205), (1910, 474962), (2155, 420964), (2204, 411605), (2755, 329284), (3629, 249980), (3820, 237481), (4310, 210482), (5510, 164642), (5539, 163780), (7258, 124990), (8189, 110780), (8620, 105241), (11020, 82321), (11078, 81890), (12499, 72580), (14516, 62495), (16378, 55390), (18145, 49996), (22156, 40945), (24998, 36290), (27695, 32756)]