132722140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 284135040

約数和(自身を除く): 151412900

約数列:

[1, 2, 4, 5, 10, 20, 89, 173, 178, 346, 356, 431, 445, 692, 862, 865, 890, 1724, 1730, 1780, 2155, 3460, 4310, 8620, 15397, 30794, 38359, 61588, 74563, 76718, 76985, 149126, 153436, 153970, 191795, 298252, 307940, 372815, 383590, 745630, 767180, 1491260, 6636107, 13272214, 26544428, 33180535, 66361070, 132722140]

約数ペア:

[(1, 132722140), (2, 66361070), (4, 33180535), (5, 26544428), (10, 13272214), (20, 6636107), (89, 1491260), (173, 767180), (178, 745630), (346, 383590), (356, 372815), (431, 307940), (445, 298252), (692, 191795), (862, 153970), (865, 153436), (890, 149126), (1724, 76985), (1730, 76718), (1780, 74563), (2155, 61588), (3460, 38359), (4310, 30794), (8620, 15397)]