128582860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{733}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 316295280

約数和(自身を除く): 187712420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 490, 716, 733, 895, 980, 1253, 1466, 1790, 2506, 2932, 3580, 3665, 5012, 5131, 6265, 7330, 8771, 10262, 12530, 14660, 17542, 20524, 25060, 25655, 35084, 35917, 43855, 51310, 71834, 87710, 102620, 131207, 143668, 175420, 179585, 262414, 359170, 524828, 656035, 718340, 918449, 1312070, 1836898, 2624140, 3673796, 4592245, 6429143, 9184490, 12858286, 18368980, 25716572, 32145715, 64291430, 128582860]

約数ペア:

[(1, 128582860), (2, 64291430), (4, 32145715), (5, 25716572), (7, 18368980), (10, 12858286), (14, 9184490), (20, 6429143), (28, 4592245), (35, 3673796), (49, 2624140), (70, 1836898), (98, 1312070), (140, 918449), (179, 718340), (196, 656035), (245, 524828), (358, 359170), (490, 262414), (716, 179585), (733, 175420), (895, 143668), (980, 131207), (1253, 102620), (1466, 87710), (1790, 71834), (2506, 51310), (2932, 43855), (3580, 35917), (3665, 35084), (5012, 25655), (5131, 25060), (6265, 20524), (7330, 17542), (8771, 14660), (10262, 12530)]