965210140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{1279}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 2054707200

約数和(自身を除く): 1089497060

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 389, 485, 778, 970, 1279, 1556, 1940, 1945, 2558, 3890, 5116, 6395, 7780, 12790, 25580, 37733, 75466, 124063, 150932, 188665, 248126, 377330, 496252, 497531, 620315, 754660, 995062, 1240630, 1990124, 2481260, 2487655, 4975310, 9950620, 48260507, 96521014, 193042028, 241302535, 482605070, 965210140]

約数ペア:

[(1, 965210140), (2, 482605070), (4, 241302535), (5, 193042028), (10, 96521014), (20, 48260507), (97, 9950620), (194, 4975310), (388, 2487655), (389, 2481260), (485, 1990124), (778, 1240630), (970, 995062), (1279, 754660), (1556, 620315), (1940, 497531), (1945, 496252), (2558, 377330), (3890, 248126), (5116, 188665), (6395, 150932), (7780, 124063), (12790, 75466), (25580, 37733)]