78297580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{547}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 174829536

約数和(自身を除く): 96531956

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 547, 842, 1094, 1684, 2105, 2188, 2735, 4210, 5470, 7157, 8420, 9299, 10940, 14314, 18598, 28628, 35785, 37196, 46495, 71570, 92990, 143140, 185980, 230287, 460574, 921148, 1151435, 2302870, 3914879, 4605740, 7829758, 15659516, 19574395, 39148790, 78297580]

約数ペア:

[(1, 78297580), (2, 39148790), (4, 19574395), (5, 15659516), (10, 7829758), (17, 4605740), (20, 3914879), (34, 2302870), (68, 1151435), (85, 921148), (170, 460574), (340, 230287), (421, 185980), (547, 143140), (842, 92990), (1094, 71570), (1684, 46495), (2105, 37196), (2188, 35785), (2735, 28628), (4210, 18598), (5470, 14314), (7157, 10940), (8420, 9299)]