215103490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{65381}}^1$

素因数の和:65442

約数の個数: 32

約数和(自身を含む): 451920384

約数和(自身を除く): 236816894

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 65381, 130762, 326905, 457667, 653810, 915334, 2288335, 3072907, 4576670, 6145814, 15364535, 21510349, 30729070, 43020698, 107551745, 215103490]

約数ペア:

[(1, 215103490), (2, 107551745), (5, 43020698), (7, 30729070), (10, 21510349), (14, 15364535), (35, 6145814), (47, 4576670), (70, 3072907), (94, 2288335), (235, 915334), (329, 653810), (470, 457667), (658, 326905), (1645, 130762), (3290, 65381)]