133495780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7780

約数の個数: 48

約数和(自身を含む): 309738240

約数和(自身を除く): 176242460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 7681, 8690, 15362, 17380, 30724, 38405, 76810, 84491, 153620, 168982, 337964, 422455, 606799, 844910, 1213598, 1689820, 2427196, 3033995, 6067990, 6674789, 12135980, 13349578, 26699156, 33373945, 66747890, 133495780]

約数ペア:

[(1, 133495780), (2, 66747890), (4, 33373945), (5, 26699156), (10, 13349578), (11, 12135980), (20, 6674789), (22, 6067990), (44, 3033995), (55, 2427196), (79, 1689820), (110, 1213598), (158, 844910), (220, 606799), (316, 422455), (395, 337964), (790, 168982), (869, 153620), (1580, 84491), (1738, 76810), (3476, 38405), (4345, 30724), (7681, 17380), (8690, 15362)]