191877420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{991}}^1$

素因数の和:1471

約数の個数: 96

約数和(自身を含む): 615960576

約数和(自身を除く): 424083156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 461, 922, 991, 1383, 1844, 1982, 2305, 2766, 2973, 3227, 3964, 4610, 4955, 5532, 5946, 6454, 6915, 6937, 9220, 9681, 9910, 11892, 12908, 13830, 13874, 14865, 16135, 19362, 19820, 20811, 27660, 27748, 29730, 32270, 34685, 38724, 41622, 48405, 59460, 64540, 69370, 83244, 96810, 104055, 138740, 193620, 208110, 416220, 456851, 913702, 1370553, 1827404, 2284255, 2741106, 3197957, 4568510, 5482212, 6395914, 6852765, 9137020, 9593871, 12791828, 13705530, 15989785, 19187742, 27411060, 31979570, 38375484, 47969355, 63959140, 95938710, 191877420]

約数ペア:

[(1, 191877420), (2, 95938710), (3, 63959140), (4, 47969355), (5, 38375484), (6, 31979570), (7, 27411060), (10, 19187742), (12, 15989785), (14, 13705530), (15, 12791828), (20, 9593871), (21, 9137020), (28, 6852765), (30, 6395914), (35, 5482212), (42, 4568510), (60, 3197957), (70, 2741106), (84, 2284255), (105, 1827404), (140, 1370553), (210, 913702), (420, 456851), (461, 416220), (922, 208110), (991, 193620), (1383, 138740), (1844, 104055), (1982, 96810), (2305, 83244), (2766, 69370), (2973, 64540), (3227, 59460), (3964, 48405), (4610, 41622), (4955, 38724), (5532, 34685), (5946, 32270), (6454, 29730), (6915, 27748), (6937, 27660), (9220, 20811), (9681, 19820), (9910, 19362), (11892, 16135), (12908, 14865), (13830, 13874)]