66397940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9679}}^1$

素因数の和:9709

約数の個数: 48

約数和(自身を含む): 162624000

約数和(自身を除く): 96226060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9679, 19358, 38716, 48395, 67753, 96790, 135506, 193580, 271012, 338765, 474271, 677530, 948542, 1355060, 1897084, 2371355, 3319897, 4742710, 6639794, 9485420, 13279588, 16599485, 33198970, 66397940]

約数ペア:

[(1, 66397940), (2, 33198970), (4, 16599485), (5, 13279588), (7, 9485420), (10, 6639794), (14, 4742710), (20, 3319897), (28, 2371355), (35, 1897084), (49, 1355060), (70, 948542), (98, 677530), (140, 474271), (196, 338765), (245, 271012), (343, 193580), (490, 135506), (686, 96790), (980, 67753), (1372, 48395), (1715, 38716), (3430, 19358), (6860, 9679)]