65907940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 162744120

約数和(自身を除く): 96836180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 617, 763, 980, 1090, 1234, 1526, 2180, 2468, 3052, 3085, 3815, 4319, 5341, 6170, 7630, 8638, 10682, 12340, 15260, 17276, 21364, 21595, 26705, 30233, 43190, 53410, 60466, 67253, 86380, 106820, 120932, 134506, 151165, 269012, 302330, 336265, 470771, 604660, 672530, 941542, 1345060, 1883084, 2353855, 3295397, 4707710, 6590794, 9415420, 13181588, 16476985, 32953970, 65907940]

約数ペア:

[(1, 65907940), (2, 32953970), (4, 16476985), (5, 13181588), (7, 9415420), (10, 6590794), (14, 4707710), (20, 3295397), (28, 2353855), (35, 1883084), (49, 1345060), (70, 941542), (98, 672530), (109, 604660), (140, 470771), (196, 336265), (218, 302330), (245, 269012), (436, 151165), (490, 134506), (545, 120932), (617, 106820), (763, 86380), (980, 67253), (1090, 60466), (1234, 53410), (1526, 43190), (2180, 30233), (2468, 26705), (3052, 21595), (3085, 21364), (3815, 17276), (4319, 15260), (5341, 12340), (6170, 10682), (7630, 8638)]