139400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 351540

約数和(自身を除く): 212140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 82, 85, 100, 136, 164, 170, 200, 205, 328, 340, 410, 425, 680, 697, 820, 850, 1025, 1394, 1640, 1700, 2050, 2788, 3400, 3485, 4100, 5576, 6970, 8200, 13940, 17425, 27880, 34850, 69700, 139400]

約数ペア:

[(1, 139400), (2, 69700), (4, 34850), (5, 27880), (8, 17425), (10, 13940), (17, 8200), (20, 6970), (25, 5576), (34, 4100), (40, 3485), (41, 3400), (50, 2788), (68, 2050), (82, 1700), (85, 1640), (100, 1394), (136, 1025), (164, 850), (170, 820), (200, 697), (205, 680), (328, 425), (340, 410)]