28586350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 61268400

約数和(自身を除く): 32682050

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 169, 170, 199, 221, 325, 338, 398, 425, 442, 650, 845, 850, 995, 1105, 1690, 1990, 2210, 2587, 2873, 3383, 4225, 4975, 5174, 5525, 5746, 6766, 8450, 9950, 11050, 12935, 14365, 16915, 25870, 28730, 33631, 33830, 43979, 64675, 67262, 71825, 84575, 87958, 129350, 143650, 168155, 169150, 219895, 336310, 439790, 571727, 840775, 1099475, 1143454, 1681550, 2198950, 2858635, 5717270, 14293175, 28586350]

約数ペア:

[(1, 28586350), (2, 14293175), (5, 5717270), (10, 2858635), (13, 2198950), (17, 1681550), (25, 1143454), (26, 1099475), (34, 840775), (50, 571727), (65, 439790), (85, 336310), (130, 219895), (169, 169150), (170, 168155), (199, 143650), (221, 129350), (325, 87958), (338, 84575), (398, 71825), (425, 67262), (442, 64675), (650, 43979), (845, 33830), (850, 33631), (995, 28730), (1105, 25870), (1690, 16915), (1990, 14365), (2210, 12935), (2587, 11050), (2873, 9950), (3383, 8450), (4225, 6766), (4975, 5746), (5174, 5525)]