74628140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 160272000

約数和(自身を除く): 85643860

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 298, 316, 317, 395, 596, 634, 745, 790, 1268, 1490, 1580, 1585, 2980, 3170, 6340, 11771, 23542, 25043, 47084, 47233, 50086, 58855, 94466, 100172, 117710, 125215, 188932, 235420, 236165, 250430, 472330, 500860, 944660, 3731407, 7462814, 14925628, 18657035, 37314070, 74628140]

約数ペア:

[(1, 74628140), (2, 37314070), (4, 18657035), (5, 14925628), (10, 7462814), (20, 3731407), (79, 944660), (149, 500860), (158, 472330), (298, 250430), (316, 236165), (317, 235420), (395, 188932), (596, 125215), (634, 117710), (745, 100172), (790, 94466), (1268, 58855), (1490, 50086), (1580, 47233), (1585, 47084), (2980, 25043), (3170, 23542), (6340, 11771)]