72947525

素因数分解:

$5^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 108326400

約数和(自身を除く): 35378875

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 181, 235, 245, 329, 343, 905, 1175, 1225, 1267, 1645, 1715, 2303, 4525, 6335, 8225, 8507, 8575, 8869, 11515, 16121, 31675, 42535, 44345, 57575, 59549, 62083, 80605, 212675, 221725, 297745, 310415, 403025, 416843, 1488725, 1552075, 2084215, 2917901, 10421075, 14589505, 72947525]

約数ペア:

[(1, 72947525), (5, 14589505), (7, 10421075), (25, 2917901), (35, 2084215), (47, 1552075), (49, 1488725), (175, 416843), (181, 403025), (235, 310415), (245, 297745), (329, 221725), (343, 212675), (905, 80605), (1175, 62083), (1225, 59549), (1267, 57575), (1645, 44345), (1715, 42535), (2303, 31675), (4525, 16121), (6335, 11515), (8225, 8869), (8507, 8575)]