397589220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{315547}}^1$

素因数の和:315569

約数の個数: 72

約数和(自身を含む): 1378313664

約数和(自身を除く): 980724444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 315547, 631094, 946641, 1262188, 1577735, 1893282, 2208829, 2839923, 3155470, 3786564, 4417658, 4733205, 5679846, 6310940, 6626487, 8835316, 9466410, 11044145, 11359692, 13252974, 14199615, 18932820, 19879461, 22088290, 26505948, 28399230, 33132435, 39758922, 44176580, 56798460, 66264870, 79517844, 99397305, 132529740, 198794610, 397589220]

約数ペア:

[(1, 397589220), (2, 198794610), (3, 132529740), (4, 99397305), (5, 79517844), (6, 66264870), (7, 56798460), (9, 44176580), (10, 39758922), (12, 33132435), (14, 28399230), (15, 26505948), (18, 22088290), (20, 19879461), (21, 18932820), (28, 14199615), (30, 13252974), (35, 11359692), (36, 11044145), (42, 9466410), (45, 8835316), (60, 6626487), (63, 6310940), (70, 5679846), (84, 4733205), (90, 4417658), (105, 3786564), (126, 3155470), (140, 2839923), (180, 2208829), (210, 1893282), (252, 1577735), (315, 1262188), (420, 946641), (630, 631094), (1260, 315547)]