214496940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{510707}}^1$

素因数の和:510726

約数の個数: 48

約数和(自身を含む): 686391552

約数和(自身を除く): 471894612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 510707, 1021414, 1532121, 2042828, 2553535, 3064242, 3574949, 5107070, 6128484, 7149898, 7660605, 10214140, 10724847, 14299796, 15321210, 17874745, 21449694, 30642420, 35749490, 42899388, 53624235, 71498980, 107248470, 214496940]

約数ペア:

[(1, 214496940), (2, 107248470), (3, 71498980), (4, 53624235), (5, 42899388), (6, 35749490), (7, 30642420), (10, 21449694), (12, 17874745), (14, 15321210), (15, 14299796), (20, 10724847), (21, 10214140), (28, 7660605), (30, 7149898), (35, 6128484), (42, 5107070), (60, 3574949), (70, 3064242), (84, 2553535), (105, 2042828), (140, 1532121), (210, 1021414), (420, 510707)]