200021220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{158747}}^1$

素因数の和:158769

約数の個数: 72

約数和(自身を含む): 693411264

約数和(自身を除く): 493390044

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, 158747, 317494, 476241, 634988, 793735, 952482, 1111229, 1428723, 1587470, 1904964, 2222458, 2381205, 2857446, 3174940, 3333687, 4444916, 4762410, 5556145, 5714892, 6667374, 7143615, 9524820, 10001061, 11112290, 13334748, 14287230, 16668435, 20002122, 22224580, 28574460, 33336870, 40004244, 50005305, 66673740, 100010610, 200021220]

約数ペア:

[(1, 200021220), (2, 100010610), (3, 66673740), (4, 50005305), (5, 40004244), (6, 33336870), (7, 28574460), (9, 22224580), (10, 20002122), (12, 16668435), (14, 14287230), (15, 13334748), (18, 11112290), (20, 10001061), (21, 9524820), (28, 7143615), (30, 6667374), (35, 5714892), (36, 5556145), (42, 4762410), (45, 4444916), (60, 3333687), (63, 3174940), (70, 2857446), (84, 2381205), (90, 2222458), (105, 1904964), (126, 1587470), (140, 1428723), (180, 1111229), (210, 952482), (252, 793735), (315, 634988), (420, 476241), (630, 317494), (1260, 158747)]