311924140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{74623}}^1$

素因数の和:74662

約数の個数: 48

約数和(自身を含む): 752209920

約数和(自身を除く): 440285780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 74623, 149246, 298492, 373115, 746230, 820853, 1417837, 1492460, 1641706, 2835674, 3283412, 4104265, 5671348, 7089185, 8208530, 14178370, 15596207, 16417060, 28356740, 31192414, 62384828, 77981035, 155962070, 311924140]

約数ペア:

[(1, 311924140), (2, 155962070), (4, 77981035), (5, 62384828), (10, 31192414), (11, 28356740), (19, 16417060), (20, 15596207), (22, 14178370), (38, 8208530), (44, 7089185), (55, 5671348), (76, 4104265), (95, 3283412), (110, 2835674), (190, 1641706), (209, 1492460), (220, 1417837), (380, 820853), (418, 746230), (836, 373115), (1045, 298492), (2090, 149246), (4180, 74623)]