81434570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8747}}^1$

素因数の和:8787

約数の個数: 48

約数和(自身を含む): 179508960

約数和(自身を除く): 98074390

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 8747, 9310, 17494, 43735, 61229, 87470, 122458, 166193, 306145, 332386, 428603, 612290, 830965, 857206, 1163351, 1661930, 2143015, 2326702, 4286030, 5816755, 8143457, 11633510, 16286914, 40717285, 81434570]

約数ペア:

[(1, 81434570), (2, 40717285), (5, 16286914), (7, 11633510), (10, 8143457), (14, 5816755), (19, 4286030), (35, 2326702), (38, 2143015), (49, 1661930), (70, 1163351), (95, 857206), (98, 830965), (133, 612290), (190, 428603), (245, 332386), (266, 306145), (490, 166193), (665, 122458), (931, 87470), (1330, 61229), (1862, 43735), (4655, 17494), (8747, 9310)]