12405087940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1327}}^1\times {\mathrm{9539}}^1$

素因数の和:10889

約数の個数: 72

約数和(自身を含む): 30329873280

約数和(自身を除く): 17924785340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1327, 2654, 5308, 6635, 9289, 9539, 13270, 18578, 19078, 26540, 37156, 38156, 46445, 47695, 65023, 66773, 92890, 95390, 130046, 133546, 185780, 190780, 260092, 267092, 325115, 333865, 467411, 650230, 667730, 934822, 1300460, 1335460, 1869644, 2337055, 4674110, 9348220, 12658253, 25316506, 50633012, 63291265, 88607771, 126582530, 177215542, 253165060, 354431084, 443038855, 620254397, 886077710, 1240508794, 1772155420, 2481017588, 3101271985, 6202543970, 12405087940]

約数ペア:

[(1, 12405087940), (2, 6202543970), (4, 3101271985), (5, 2481017588), (7, 1772155420), (10, 1240508794), (14, 886077710), (20, 620254397), (28, 443038855), (35, 354431084), (49, 253165060), (70, 177215542), (98, 126582530), (140, 88607771), (196, 63291265), (245, 50633012), (490, 25316506), (980, 12658253), (1327, 9348220), (2654, 4674110), (5308, 2337055), (6635, 1869644), (9289, 1335460), (9539, 1300460), (13270, 934822), (18578, 667730), (19078, 650230), (26540, 467411), (37156, 333865), (38156, 325115), (46445, 267092), (47695, 260092), (65023, 190780), (66773, 185780), (92890, 133546), (95390, 130046)]