279625360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71333}}^1$

素因数の和:71360

約数の個数: 60

約数和(自身を含む): 756283068

約数和(自身を除く): 476657708

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 71333, 142666, 285332, 356665, 499331, 570664, 713330, 998662, 1141328, 1426660, 1997324, 2496655, 2853320, 3495317, 3994648, 4993310, 5706640, 6990634, 7989296, 9986620, 13981268, 17476585, 19973240, 27962536, 34953170, 39946480, 55925072, 69906340, 139812680, 279625360]

約数ペア:

[(1, 279625360), (2, 139812680), (4, 69906340), (5, 55925072), (7, 39946480), (8, 34953170), (10, 27962536), (14, 19973240), (16, 17476585), (20, 13981268), (28, 9986620), (35, 7989296), (40, 6990634), (49, 5706640), (56, 4993310), (70, 3994648), (80, 3495317), (98, 2853320), (112, 2496655), (140, 1997324), (196, 1426660), (245, 1141328), (280, 998662), (392, 713330), (490, 570664), (560, 499331), (784, 356665), (980, 285332), (1960, 142666), (3920, 71333)]