249712820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{13411}}^1$

素因数の和:13453

約数の個数: 72

約数和(自身を含む): 642166560

約数和(自身を除く): 392453740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 13411, 18620, 26822, 53644, 67055, 93877, 134110, 187754, 254809, 268220, 375508, 469385, 509618, 657139, 938770, 1019236, 1274045, 1314278, 1783663, 1877540, 2548090, 2628556, 3285695, 3567326, 5096180, 6571390, 7134652, 8918315, 12485641, 13142780, 17836630, 24971282, 35673260, 49942564, 62428205, 124856410, 249712820]

約数ペア:

[(1, 249712820), (2, 124856410), (4, 62428205), (5, 49942564), (7, 35673260), (10, 24971282), (14, 17836630), (19, 13142780), (20, 12485641), (28, 8918315), (35, 7134652), (38, 6571390), (49, 5096180), (70, 3567326), (76, 3285695), (95, 2628556), (98, 2548090), (133, 1877540), (140, 1783663), (190, 1314278), (196, 1274045), (245, 1019236), (266, 938770), (380, 657139), (490, 509618), (532, 469385), (665, 375508), (931, 268220), (980, 254809), (1330, 187754), (1862, 134110), (2660, 93877), (3724, 67055), (4655, 53644), (9310, 26822), (13411, 18620)]