69820820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4273}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 157967040

約数和(自身を除く): 88146220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 4273, 8170, 8546, 16340, 17092, 21365, 42730, 81187, 85460, 162374, 183739, 324748, 367478, 405935, 734956, 811870, 918695, 1623740, 1837390, 3491041, 3674780, 6982082, 13964164, 17455205, 34910410, 69820820]

約数ペア:

[(1, 69820820), (2, 34910410), (4, 17455205), (5, 13964164), (10, 6982082), (19, 3674780), (20, 3491041), (38, 1837390), (43, 1623740), (76, 918695), (86, 811870), (95, 734956), (172, 405935), (190, 367478), (215, 324748), (380, 183739), (430, 162374), (817, 85460), (860, 81187), (1634, 42730), (3268, 21365), (4085, 17092), (4273, 16340), (8170, 8546)]