28839340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 65973600

約数和(自身を除く): 37134260

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2617, 2755, 5234, 5510, 10468, 11020, 13085, 26170, 49723, 52340, 75893, 99446, 151786, 198892, 248615, 303572, 379465, 497230, 758930, 994460, 1441967, 1517860, 2883934, 5767868, 7209835, 14419670, 28839340]

約数ペア:

[(1, 28839340), (2, 14419670), (4, 7209835), (5, 5767868), (10, 2883934), (19, 1517860), (20, 1441967), (29, 994460), (38, 758930), (58, 497230), (76, 379465), (95, 303572), (116, 248615), (145, 198892), (190, 151786), (290, 99446), (380, 75893), (551, 52340), (580, 49723), (1102, 26170), (2204, 13085), (2617, 11020), (2755, 10468), (5234, 5510)]