210789920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:778

約数の個数: 96

約数和(自身を含む): 546678720

約数和(自身を除く): 335888800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 229, 352, 440, 458, 523, 880, 916, 1046, 1145, 1760, 1832, 2092, 2290, 2519, 2615, 3664, 4184, 4580, 5038, 5230, 5753, 7328, 8368, 9160, 10076, 10460, 11506, 12595, 16736, 18320, 20152, 20920, 23012, 25190, 28765, 36640, 40304, 41840, 46024, 50380, 57530, 80608, 83680, 92048, 100760, 115060, 119767, 184096, 201520, 230120, 239534, 403040, 460240, 479068, 598835, 920480, 958136, 1197670, 1317437, 1916272, 2395340, 2634874, 3832544, 4790680, 5269748, 6587185, 9581360, 10539496, 13174370, 19162720, 21078992, 26348740, 42157984, 52697480, 105394960, 210789920]

約数ペア:

[(1, 210789920), (2, 105394960), (4, 52697480), (5, 42157984), (8, 26348740), (10, 21078992), (11, 19162720), (16, 13174370), (20, 10539496), (22, 9581360), (32, 6587185), (40, 5269748), (44, 4790680), (55, 3832544), (80, 2634874), (88, 2395340), (110, 1916272), (160, 1317437), (176, 1197670), (220, 958136), (229, 920480), (352, 598835), (440, 479068), (458, 460240), (523, 403040), (880, 239534), (916, 230120), (1046, 201520), (1145, 184096), (1760, 119767), (1832, 115060), (2092, 100760), (2290, 92048), (2519, 83680), (2615, 80608), (3664, 57530), (4184, 50380), (4580, 46024), (5038, 41840), (5230, 40304), (5753, 36640), (7328, 28765), (8368, 25190), (9160, 23012), (10076, 20920), (10460, 20152), (11506, 18320), (12595, 16736)]