68238380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 168058800

約数和(自身を除く): 99820420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 389, 490, 716, 778, 895, 980, 1253, 1556, 1790, 1945, 2506, 2723, 3580, 3890, 5012, 5446, 6265, 7780, 8771, 10892, 12530, 13615, 17542, 19061, 25060, 27230, 35084, 38122, 43855, 54460, 69631, 76244, 87710, 95305, 139262, 175420, 190610, 278524, 348155, 381220, 487417, 696310, 974834, 1392620, 1949668, 2437085, 3411919, 4874170, 6823838, 9748340, 13647676, 17059595, 34119190, 68238380]

約数ペア:

[(1, 68238380), (2, 34119190), (4, 17059595), (5, 13647676), (7, 9748340), (10, 6823838), (14, 4874170), (20, 3411919), (28, 2437085), (35, 1949668), (49, 1392620), (70, 974834), (98, 696310), (140, 487417), (179, 381220), (196, 348155), (245, 278524), (358, 190610), (389, 175420), (490, 139262), (716, 95305), (778, 87710), (895, 76244), (980, 69631), (1253, 54460), (1556, 43855), (1790, 38122), (1945, 35084), (2506, 27230), (2723, 25060), (3580, 19061), (3890, 17542), (5012, 13615), (5446, 12530), (6265, 10892), (7780, 8771)]