1155136420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{1489}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 2463148800

約数和(自身を除く): 1308012380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 491, 790, 982, 1489, 1580, 1964, 2455, 2978, 4910, 5956, 7445, 9820, 14890, 29780, 38789, 77578, 117631, 155156, 193945, 235262, 387890, 470524, 588155, 731099, 775780, 1176310, 1462198, 2352620, 2924396, 3655495, 7310990, 14621980, 57756821, 115513642, 231027284, 288784105, 577568210, 1155136420]

約数ペア:

[(1, 1155136420), (2, 577568210), (4, 288784105), (5, 231027284), (10, 115513642), (20, 57756821), (79, 14621980), (158, 7310990), (316, 3655495), (395, 2924396), (491, 2352620), (790, 1462198), (982, 1176310), (1489, 775780), (1580, 731099), (1964, 588155), (2455, 470524), (2978, 387890), (4910, 235262), (5956, 193945), (7445, 155156), (9820, 117631), (14890, 77578), (29780, 38789)]