289442840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 661728960

約数和(自身を除く): 372286120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 173, 277, 302, 346, 554, 604, 692, 755, 865, 1108, 1208, 1384, 1385, 1510, 1730, 2216, 2770, 3020, 3460, 5540, 6040, 6920, 11080, 26123, 41827, 47921, 52246, 83654, 95842, 104492, 130615, 167308, 191684, 208984, 209135, 239605, 261230, 334616, 383368, 418270, 479210, 522460, 836540, 958420, 1044920, 1673080, 1916840, 7236071, 14472142, 28944284, 36180355, 57888568, 72360710, 144721420, 289442840]

約数ペア:

[(1, 289442840), (2, 144721420), (4, 72360710), (5, 57888568), (8, 36180355), (10, 28944284), (20, 14472142), (40, 7236071), (151, 1916840), (173, 1673080), (277, 1044920), (302, 958420), (346, 836540), (554, 522460), (604, 479210), (692, 418270), (755, 383368), (865, 334616), (1108, 261230), (1208, 239605), (1384, 209135), (1385, 208984), (1510, 191684), (1730, 167308), (2216, 130615), (2770, 104492), (3020, 95842), (3460, 83654), (5540, 52246), (6040, 47921), (6920, 41827), (11080, 26123)]