778828060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1\times {\mathrm{1427}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 1694921760

約数和(自身を除く): 916093700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 941, 1427, 1882, 2854, 3764, 4705, 5708, 7135, 9410, 14270, 18820, 27289, 28540, 41383, 54578, 82766, 109156, 136445, 165532, 206915, 272890, 413830, 545780, 827660, 1342807, 2685614, 5371228, 6714035, 13428070, 26856140, 38941403, 77882806, 155765612, 194707015, 389414030, 778828060]

約数ペア:

[(1, 778828060), (2, 389414030), (4, 194707015), (5, 155765612), (10, 77882806), (20, 38941403), (29, 26856140), (58, 13428070), (116, 6714035), (145, 5371228), (290, 2685614), (580, 1342807), (941, 827660), (1427, 545780), (1882, 413830), (2854, 272890), (3764, 206915), (4705, 165532), (5708, 136445), (7135, 109156), (9410, 82766), (14270, 54578), (18820, 41383), (27289, 28540)]