381283640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1367}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 906163200

約数和(自身を除く): 524879560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 367, 380, 734, 760, 1367, 1468, 1835, 2734, 2936, 3670, 5468, 6835, 6973, 7340, 10936, 13670, 13946, 14680, 25973, 27340, 27892, 34865, 51946, 54680, 55784, 69730, 103892, 129865, 139460, 207784, 259730, 278920, 501689, 519460, 1003378, 1038920, 2006756, 2508445, 4013512, 5016890, 9532091, 10033780, 19064182, 20067560, 38128364, 47660455, 76256728, 95320910, 190641820, 381283640]

約数ペア:

[(1, 381283640), (2, 190641820), (4, 95320910), (5, 76256728), (8, 47660455), (10, 38128364), (19, 20067560), (20, 19064182), (38, 10033780), (40, 9532091), (76, 5016890), (95, 4013512), (152, 2508445), (190, 2006756), (367, 1038920), (380, 1003378), (734, 519460), (760, 501689), (1367, 278920), (1468, 259730), (1835, 207784), (2734, 139460), (2936, 129865), (3670, 103892), (5468, 69730), (6835, 55784), (6973, 54680), (7340, 51946), (10936, 34865), (13670, 27892), (13946, 27340), (14680, 25973)]