717502460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{4397}}^1$

素因数の和:4646

約数の個数: 48

約数和(自身を含む): 1551614400

約数和(自身を除く): 834111940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1990, 3980, 4397, 8159, 8794, 16318, 17588, 21985, 32636, 40795, 43970, 81590, 87940, 163180, 180277, 360554, 721108, 875003, 901385, 1750006, 1802770, 3500012, 3605540, 4375015, 8750030, 17500060, 35875123, 71750246, 143500492, 179375615, 358751230, 717502460]

約数ペア:

[(1, 717502460), (2, 358751230), (4, 179375615), (5, 143500492), (10, 71750246), (20, 35875123), (41, 17500060), (82, 8750030), (164, 4375015), (199, 3605540), (205, 3500012), (398, 1802770), (410, 1750006), (796, 901385), (820, 875003), (995, 721108), (1990, 360554), (3980, 180277), (4397, 163180), (8159, 87940), (8794, 81590), (16318, 43970), (17588, 40795), (21985, 32636)]