74087980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 160030080

約数和(自身を除く): 85942100

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 269, 293, 470, 538, 586, 940, 1076, 1172, 1345, 1465, 2690, 2930, 5380, 5860, 12643, 13771, 25286, 27542, 50572, 55084, 63215, 68855, 78817, 126430, 137710, 157634, 252860, 275420, 315268, 394085, 788170, 1576340, 3704399, 7408798, 14817596, 18521995, 37043990, 74087980]

約数ペア:

[(1, 74087980), (2, 37043990), (4, 18521995), (5, 14817596), (10, 7408798), (20, 3704399), (47, 1576340), (94, 788170), (188, 394085), (235, 315268), (269, 275420), (293, 252860), (470, 157634), (538, 137710), (586, 126430), (940, 78817), (1076, 68855), (1172, 63215), (1345, 55084), (1465, 50572), (2690, 27542), (2930, 25286), (5380, 13771), (5860, 12643)]