7813100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 18332160

約数和(自身を除く): 10519060

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 79, 86, 92, 100, 115, 158, 172, 215, 230, 316, 395, 430, 460, 575, 790, 860, 989, 1075, 1150, 1580, 1817, 1975, 1978, 2150, 2300, 3397, 3634, 3950, 3956, 4300, 4945, 6794, 7268, 7900, 9085, 9890, 13588, 16985, 18170, 19780, 24725, 33970, 36340, 45425, 49450, 67940, 78131, 84925, 90850, 98900, 156262, 169850, 181700, 312524, 339700, 390655, 781310, 1562620, 1953275, 3906550, 7813100]

約数ペア:

[(1, 7813100), (2, 3906550), (4, 1953275), (5, 1562620), (10, 781310), (20, 390655), (23, 339700), (25, 312524), (43, 181700), (46, 169850), (50, 156262), (79, 98900), (86, 90850), (92, 84925), (100, 78131), (115, 67940), (158, 49450), (172, 45425), (215, 36340), (230, 33970), (316, 24725), (395, 19780), (430, 18170), (460, 16985), (575, 13588), (790, 9890), (860, 9085), (989, 7900), (1075, 7268), (1150, 6794), (1580, 4945), (1817, 4300), (1975, 3956), (1978, 3950), (2150, 3634), (2300, 3397)]