311979070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{10859}}^1$

素因数の和:10909

約数の個数: 48

約数和(自身を含む): 643911120

約数和(自身を除く): 331932050

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2873, 5746, 10859, 14365, 21718, 28730, 54295, 108590, 141167, 184603, 282334, 369206, 705835, 923015, 1411670, 1835171, 1846030, 2399839, 3670342, 4799678, 9175855, 11999195, 18351710, 23998390, 31197907, 62395814, 155989535, 311979070]

約数ペア:

[(1, 311979070), (2, 155989535), (5, 62395814), (10, 31197907), (13, 23998390), (17, 18351710), (26, 11999195), (34, 9175855), (65, 4799678), (85, 3670342), (130, 2399839), (169, 1846030), (170, 1835171), (221, 1411670), (338, 923015), (442, 705835), (845, 369206), (1105, 282334), (1690, 184603), (2210, 141167), (2873, 108590), (5746, 54295), (10859, 28730), (14365, 21718)]