201919520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2514

約数の個数: 96

約数和(自身を含む): 531691776

約数和(自身を除く): 329772256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 1034, 1504, 1760, 1880, 2068, 2441, 2585, 3760, 4136, 4882, 5170, 7520, 8272, 9764, 10340, 12205, 16544, 19528, 20680, 24410, 26851, 39056, 41360, 48820, 53702, 78112, 82720, 97640, 107404, 114727, 134255, 195280, 214808, 229454, 268510, 390560, 429616, 458908, 537020, 573635, 859232, 917816, 1074040, 1147270, 1261997, 1835632, 2148080, 2294540, 2523994, 3671264, 4296160, 4589080, 5047988, 6309985, 9178160, 10095976, 12619970, 18356320, 20191952, 25239940, 40383904, 50479880, 100959760, 201919520]

約数ペア:

[(1, 201919520), (2, 100959760), (4, 50479880), (5, 40383904), (8, 25239940), (10, 20191952), (11, 18356320), (16, 12619970), (20, 10095976), (22, 9178160), (32, 6309985), (40, 5047988), (44, 4589080), (47, 4296160), (55, 3671264), (80, 2523994), (88, 2294540), (94, 2148080), (110, 1835632), (160, 1261997), (176, 1147270), (188, 1074040), (220, 917816), (235, 859232), (352, 573635), (376, 537020), (440, 458908), (470, 429616), (517, 390560), (752, 268510), (880, 229454), (940, 214808), (1034, 195280), (1504, 134255), (1760, 114727), (1880, 107404), (2068, 97640), (2441, 82720), (2585, 78112), (3760, 53702), (4136, 48820), (4882, 41360), (5170, 39056), (7520, 26851), (8272, 24410), (9764, 20680), (10340, 19528), (12205, 16544)]