218601500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^3\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 519792000

約数和(自身を除く): 301190500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 199, 250, 260, 325, 338, 398, 500, 650, 676, 796, 845, 995, 1300, 1625, 1690, 1990, 2197, 2587, 3250, 3380, 3980, 4225, 4394, 4975, 5174, 6500, 8450, 8788, 9950, 10348, 10985, 12935, 16900, 19900, 21125, 21970, 24875, 25870, 33631, 42250, 43940, 49750, 51740, 54925, 64675, 67262, 84500, 99500, 109850, 129350, 134524, 168155, 219700, 258700, 274625, 323375, 336310, 437203, 549250, 646750, 672620, 840775, 874406, 1098500, 1293500, 1681550, 1748812, 2186015, 3363100, 4203875, 4372030, 8407750, 8744060, 10930075, 16815500, 21860150, 43720300, 54650375, 109300750, 218601500]

約数ペア:

[(1, 218601500), (2, 109300750), (4, 54650375), (5, 43720300), (10, 21860150), (13, 16815500), (20, 10930075), (25, 8744060), (26, 8407750), (50, 4372030), (52, 4203875), (65, 3363100), (100, 2186015), (125, 1748812), (130, 1681550), (169, 1293500), (199, 1098500), (250, 874406), (260, 840775), (325, 672620), (338, 646750), (398, 549250), (500, 437203), (650, 336310), (676, 323375), (796, 274625), (845, 258700), (995, 219700), (1300, 168155), (1625, 134524), (1690, 129350), (1990, 109850), (2197, 99500), (2587, 84500), (3250, 67262), (3380, 64675), (3980, 54925), (4225, 51740), (4394, 49750), (4975, 43940), (5174, 42250), (6500, 33631), (8450, 25870), (8788, 24875), (9950, 21970), (10348, 21125), (10985, 19900), (12935, 16900)]