388065720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{461983}}^1$

素因数の和:462004

約数の個数: 64

約数和(自身を含む): 1330513920

約数和(自身を除く): 942448200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 461983, 923966, 1385949, 1847932, 2309915, 2771898, 3233881, 3695864, 4619830, 5543796, 6467762, 6929745, 9239660, 9701643, 11087592, 12935524, 13859490, 16169405, 18479320, 19403286, 25871048, 27718980, 32338810, 38806572, 48508215, 55437960, 64677620, 77613144, 97016430, 129355240, 194032860, 388065720]

約数ペア:

[(1, 388065720), (2, 194032860), (3, 129355240), (4, 97016430), (5, 77613144), (6, 64677620), (7, 55437960), (8, 48508215), (10, 38806572), (12, 32338810), (14, 27718980), (15, 25871048), (20, 19403286), (21, 18479320), (24, 16169405), (28, 13859490), (30, 12935524), (35, 11087592), (40, 9701643), (42, 9239660), (56, 6929745), (60, 6467762), (70, 5543796), (84, 4619830), (105, 3695864), (120, 3233881), (140, 2771898), (168, 2309915), (210, 1847932), (280, 1385949), (420, 923966), (840, 461983)]