201779220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 582519168

約数和(自身を除く): 380739948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 197, 215, 258, 394, 397, 430, 516, 591, 645, 788, 794, 860, 985, 1182, 1191, 1290, 1588, 1970, 1985, 2364, 2382, 2580, 2955, 3940, 3970, 4764, 5910, 5955, 7940, 8471, 11820, 11910, 16942, 17071, 23820, 25413, 33884, 34142, 42355, 50826, 51213, 68284, 78209, 84710, 85355, 101652, 102426, 127065, 156418, 169420, 170710, 204852, 234627, 254130, 256065, 312836, 341420, 391045, 469254, 508260, 512130, 782090, 938508, 1024260, 1173135, 1564180, 2346270, 3362987, 4692540, 6725974, 10088961, 13451948, 16814935, 20177922, 33629870, 40355844, 50444805, 67259740, 100889610, 201779220]

約数ペア:

[(1, 201779220), (2, 100889610), (3, 67259740), (4, 50444805), (5, 40355844), (6, 33629870), (10, 20177922), (12, 16814935), (15, 13451948), (20, 10088961), (30, 6725974), (43, 4692540), (60, 3362987), (86, 2346270), (129, 1564180), (172, 1173135), (197, 1024260), (215, 938508), (258, 782090), (394, 512130), (397, 508260), (430, 469254), (516, 391045), (591, 341420), (645, 312836), (788, 256065), (794, 254130), (860, 234627), (985, 204852), (1182, 170710), (1191, 169420), (1290, 156418), (1588, 127065), (1970, 102426), (1985, 101652), (2364, 85355), (2382, 84710), (2580, 78209), (2955, 68284), (3940, 51213), (3970, 50826), (4764, 42355), (5910, 34142), (5955, 33884), (7940, 25413), (8471, 23820), (11820, 17071), (11910, 16942)]