127524820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2389}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 285480720

約数和(自身を除く): 157955900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 2389, 2669, 3140, 4778, 5338, 9556, 10676, 11945, 13345, 23890, 26690, 40613, 47780, 53380, 81226, 162452, 203065, 375073, 406130, 750146, 812260, 1500292, 1875365, 3750730, 6376241, 7501460, 12752482, 25504964, 31881205, 63762410, 127524820]

約数ペア:

[(1, 127524820), (2, 63762410), (4, 31881205), (5, 25504964), (10, 12752482), (17, 7501460), (20, 6376241), (34, 3750730), (68, 1875365), (85, 1500292), (157, 812260), (170, 750146), (314, 406130), (340, 375073), (628, 203065), (785, 162452), (1570, 81226), (2389, 53380), (2669, 47780), (3140, 40613), (4778, 26690), (5338, 23890), (9556, 13345), (10676, 11945)]