918199750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16619}}^1$

素因数の和:16666

約数の個数: 64

約数和(自身を含む): 1960096320

約数和(自身を除く): 1041896570

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 650, 850, 1105, 1625, 2125, 2210, 3250, 4250, 5525, 11050, 16619, 27625, 33238, 55250, 83095, 166190, 216047, 282523, 415475, 432094, 565046, 830950, 1080235, 1412615, 2077375, 2160470, 2825230, 3672799, 4154750, 5401175, 7063075, 7345598, 10802350, 14126150, 18363995, 27005875, 35315375, 36727990, 54011750, 70630750, 91819975, 183639950, 459099875, 918199750]

約数ペア:

[(1, 918199750), (2, 459099875), (5, 183639950), (10, 91819975), (13, 70630750), (17, 54011750), (25, 36727990), (26, 35315375), (34, 27005875), (50, 18363995), (65, 14126150), (85, 10802350), (125, 7345598), (130, 7063075), (170, 5401175), (221, 4154750), (250, 3672799), (325, 2825230), (425, 2160470), (442, 2077375), (650, 1412615), (850, 1080235), (1105, 830950), (1625, 565046), (2125, 432094), (2210, 415475), (3250, 282523), (4250, 216047), (5525, 166190), (11050, 83095), (16619, 55250), (27625, 33238)]