199917525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{587}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 349977600

約数和(自身を除く): 150060075

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 239, 285, 475, 587, 717, 1195, 1425, 1761, 2935, 3585, 4541, 5975, 8805, 11153, 13623, 14675, 17925, 22705, 33459, 44025, 55765, 68115, 113525, 140293, 167295, 278825, 340575, 420879, 701465, 836475, 2104395, 2665567, 3507325, 7996701, 10521975, 13327835, 39983505, 66639175, 199917525]

約数ペア:

[(1, 199917525), (3, 66639175), (5, 39983505), (15, 13327835), (19, 10521975), (25, 7996701), (57, 3507325), (75, 2665567), (95, 2104395), (239, 836475), (285, 701465), (475, 420879), (587, 340575), (717, 278825), (1195, 167295), (1425, 140293), (1761, 113525), (2935, 68115), (3585, 55765), (4541, 44025), (5975, 33459), (8805, 22705), (11153, 17925), (13623, 14675)]