1247540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 3255840

約数和(自身を除く): 2008300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 67, 70, 76, 95, 98, 133, 134, 140, 190, 196, 245, 266, 268, 335, 380, 469, 490, 532, 665, 670, 931, 938, 980, 1273, 1330, 1340, 1862, 1876, 2345, 2546, 2660, 3283, 3724, 4655, 4690, 5092, 6365, 6566, 8911, 9310, 9380, 12730, 13132, 16415, 17822, 18620, 25460, 32830, 35644, 44555, 62377, 65660, 89110, 124754, 178220, 249508, 311885, 623770, 1247540]

約数ペア:

[(1, 1247540), (2, 623770), (4, 311885), (5, 249508), (7, 178220), (10, 124754), (14, 89110), (19, 65660), (20, 62377), (28, 44555), (35, 35644), (38, 32830), (49, 25460), (67, 18620), (70, 17822), (76, 16415), (95, 13132), (98, 12730), (133, 9380), (134, 9310), (140, 8911), (190, 6566), (196, 6365), (245, 5092), (266, 4690), (268, 4655), (335, 3724), (380, 3283), (469, 2660), (490, 2546), (532, 2345), (665, 1876), (670, 1862), (931, 1340), (938, 1330), (980, 1273)]