156968688040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{198323}}^1$

素因数の和:198802

約数の個数: 64

約数和(自身を含む): 361552584960

約数和(自身を除く): 204583896920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 421, 470, 842, 940, 1684, 1880, 2105, 3368, 4210, 8420, 16840, 19787, 39574, 79148, 98935, 158296, 197870, 198323, 395740, 396646, 791480, 793292, 991615, 1586584, 1983230, 3966460, 7932920, 9321181, 18642362, 37284724, 46605905, 74569448, 83493983, 93211810, 166987966, 186423620, 333975932, 372847240, 417469915, 667951864, 834939830, 1669879660, 3339759320, 3924217201, 7848434402, 15696868804, 19621086005, 31393737608, 39242172010, 78484344020, 156968688040]

約数ペア:

[(1, 156968688040), (2, 78484344020), (4, 39242172010), (5, 31393737608), (8, 19621086005), (10, 15696868804), (20, 7848434402), (40, 3924217201), (47, 3339759320), (94, 1669879660), (188, 834939830), (235, 667951864), (376, 417469915), (421, 372847240), (470, 333975932), (842, 186423620), (940, 166987966), (1684, 93211810), (1880, 83493983), (2105, 74569448), (3368, 46605905), (4210, 37284724), (8420, 18642362), (16840, 9321181), (19787, 7932920), (39574, 3966460), (79148, 1983230), (98935, 1586584), (158296, 991615), (197870, 793292), (198323, 791480), (395740, 396646)]