978533220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2351}}^1$

素因数の和:3361

約数の個数: 96

約数和(自身を含む): 3135799296

約数和(自身を除く): 2157266076

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, 991, 1982, 2351, 2973, 3964, 4702, 4955, 5946, 6937, 7053, 9404, 9910, 11755, 11892, 13874, 14106, 14865, 16457, 19820, 20811, 23510, 27748, 28212, 29730, 32914, 34685, 35265, 41622, 47020, 49371, 59460, 65828, 69370, 70530, 82285, 83244, 98742, 104055, 138740, 141060, 164570, 197484, 208110, 246855, 329140, 416220, 493710, 987420, 2329841, 4659682, 6989523, 9319364, 11649205, 13979046, 16308887, 23298410, 27958092, 32617774, 34947615, 46596820, 48926661, 65235548, 69895230, 81544435, 97853322, 139790460, 163088870, 195706644, 244633305, 326177740, 489266610, 978533220]

約数ペア:

[(1, 978533220), (2, 489266610), (3, 326177740), (4, 244633305), (5, 195706644), (6, 163088870), (7, 139790460), (10, 97853322), (12, 81544435), (14, 69895230), (15, 65235548), (20, 48926661), (21, 46596820), (28, 34947615), (30, 32617774), (35, 27958092), (42, 23298410), (60, 16308887), (70, 13979046), (84, 11649205), (105, 9319364), (140, 6989523), (210, 4659682), (420, 2329841), (991, 987420), (1982, 493710), (2351, 416220), (2973, 329140), (3964, 246855), (4702, 208110), (4955, 197484), (5946, 164570), (6937, 141060), (7053, 138740), (9404, 104055), (9910, 98742), (11755, 83244), (11892, 82285), (13874, 70530), (14106, 69370), (14865, 65828), (16457, 59460), (19820, 49371), (20811, 47020), (23510, 41622), (27748, 35265), (28212, 34685), (29730, 32914)]