215981890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{6907}}^1$

素因数の和:7026

約数の個数: 32

約数和(自身を含む): 402874560

約数和(自身を除く): 186892670

約数列:

[1, 2, 5, 10, 53, 59, 106, 118, 265, 295, 530, 590, 3127, 6254, 6907, 13814, 15635, 31270, 34535, 69070, 366071, 407513, 732142, 815026, 1830355, 2037565, 3660710, 4075130, 21598189, 43196378, 107990945, 215981890]

約数ペア:

[(1, 215981890), (2, 107990945), (5, 43196378), (10, 21598189), (53, 4075130), (59, 3660710), (106, 2037565), (118, 1830355), (265, 815026), (295, 732142), (530, 407513), (590, 366071), (3127, 69070), (6254, 34535), (6907, 31270), (13814, 15635)]