80546420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 172368000

約数和(自身を除く): 91821580

約数列:

[1, 2, 4, 5, 10, 20, 149, 151, 179, 298, 302, 358, 596, 604, 716, 745, 755, 895, 1490, 1510, 1790, 2980, 3020, 3580, 22499, 26671, 27029, 44998, 53342, 54058, 89996, 106684, 108116, 112495, 133355, 135145, 224990, 266710, 270290, 449980, 533420, 540580, 4027321, 8054642, 16109284, 20136605, 40273210, 80546420]

約数ペア:

[(1, 80546420), (2, 40273210), (4, 20136605), (5, 16109284), (10, 8054642), (20, 4027321), (149, 540580), (151, 533420), (179, 449980), (298, 270290), (302, 266710), (358, 224990), (596, 135145), (604, 133355), (716, 112495), (745, 108116), (755, 106684), (895, 89996), (1490, 54058), (1510, 53342), (1790, 44998), (2980, 27029), (3020, 26671), (3580, 22499)]