74872780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 163840320

約数和(自身を除く): 88967540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 167, 290, 334, 580, 668, 773, 835, 1546, 1670, 3092, 3340, 3865, 4843, 7730, 9686, 15460, 19372, 22417, 24215, 44834, 48430, 89668, 96860, 112085, 129091, 224170, 258182, 448340, 516364, 645455, 1290910, 2581820, 3743639, 7487278, 14974556, 18718195, 37436390, 74872780]

約数ペア:

[(1, 74872780), (2, 37436390), (4, 18718195), (5, 14974556), (10, 7487278), (20, 3743639), (29, 2581820), (58, 1290910), (116, 645455), (145, 516364), (167, 448340), (290, 258182), (334, 224170), (580, 129091), (668, 112085), (773, 96860), (835, 89668), (1546, 48430), (1670, 44834), (3092, 24215), (3340, 22417), (3865, 19372), (4843, 15460), (7730, 9686)]