409605420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51329}}^1$

素因数の和:51367

約数の個数: 96

約数和(自身を含む): 1379750400

約数和(自身を除く): 970144980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 51329, 102658, 153987, 205316, 256645, 307974, 359303, 513290, 615948, 718606, 769935, 975251, 1026580, 1077909, 1437212, 1539870, 1796515, 1950502, 2155818, 2925753, 3079740, 3593030, 3901004, 4311636, 4876255, 5389545, 5851506, 6826757, 7186060, 9752510, 10779090, 11703012, 13653514, 14628765, 19505020, 20480271, 21558180, 27307028, 29257530, 34133785, 40960542, 58515060, 68267570, 81921084, 102401355, 136535140, 204802710, 409605420]

約数ペア:

[(1, 409605420), (2, 204802710), (3, 136535140), (4, 102401355), (5, 81921084), (6, 68267570), (7, 58515060), (10, 40960542), (12, 34133785), (14, 29257530), (15, 27307028), (19, 21558180), (20, 20480271), (21, 19505020), (28, 14628765), (30, 13653514), (35, 11703012), (38, 10779090), (42, 9752510), (57, 7186060), (60, 6826757), (70, 5851506), (76, 5389545), (84, 4876255), (95, 4311636), (105, 3901004), (114, 3593030), (133, 3079740), (140, 2925753), (190, 2155818), (210, 1950502), (228, 1796515), (266, 1539870), (285, 1437212), (380, 1077909), (399, 1026580), (420, 975251), (532, 769935), (570, 718606), (665, 615948), (798, 513290), (1140, 359303), (1330, 307974), (1596, 256645), (1995, 205316), (2660, 153987), (3990, 102658), (7980, 51329)]