139812680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71333}}^1$

素因数の和:71358

約数の個数: 48

約数和(自身を含む): 365943420

約数和(自身を除く): 226130740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 71333, 142666, 285332, 356665, 499331, 570664, 713330, 998662, 1426660, 1997324, 2496655, 2853320, 3495317, 3994648, 4993310, 6990634, 9986620, 13981268, 17476585, 19973240, 27962536, 34953170, 69906340, 139812680]

約数ペア:

[(1, 139812680), (2, 69906340), (4, 34953170), (5, 27962536), (7, 19973240), (8, 17476585), (10, 13981268), (14, 9986620), (20, 6990634), (28, 4993310), (35, 3994648), (40, 3495317), (49, 2853320), (56, 2496655), (70, 1997324), (98, 1426660), (140, 998662), (196, 713330), (245, 570664), (280, 499331), (392, 356665), (490, 285332), (980, 142666), (1960, 71333)]