215250875

素因数分解:

$5^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 316270656

約数和(自身を除く): 101019781

約数列:

[1, 5, 7, 25, 35, 49, 113, 125, 175, 245, 311, 565, 791, 875, 1225, 1555, 2177, 2825, 3955, 5537, 6125, 7775, 10885, 14125, 15239, 19775, 27685, 35143, 38875, 54425, 76195, 98875, 138425, 175715, 246001, 272125, 380975, 692125, 878575, 1230005, 1722007, 1904875, 4392875, 6150025, 8610035, 30750125, 43050175, 215250875]

約数ペア:

[(1, 215250875), (5, 43050175), (7, 30750125), (25, 8610035), (35, 6150025), (49, 4392875), (113, 1904875), (125, 1722007), (175, 1230005), (245, 878575), (311, 692125), (565, 380975), (791, 272125), (875, 246001), (1225, 175715), (1555, 138425), (2177, 98875), (2825, 76195), (3955, 54425), (5537, 38875), (6125, 35143), (7775, 27685), (10885, 19775), (14125, 15239)]