200996780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4253}}^1$

素因数の和:4418

約数の個数: 48

約数和(自身を含む): 450243360

約数和(自身を除く): 249246580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4253, 4726, 8506, 9452, 11815, 17012, 21265, 23630, 42530, 47260, 72301, 85060, 144602, 289204, 361505, 591167, 723010, 1182334, 1446020, 2364668, 2955835, 5911670, 10049839, 11823340, 20099678, 40199356, 50249195, 100498390, 200996780]

約数ペア:

[(1, 200996780), (2, 100498390), (4, 50249195), (5, 40199356), (10, 20099678), (17, 11823340), (20, 10049839), (34, 5911670), (68, 2955835), (85, 2364668), (139, 1446020), (170, 1182334), (278, 723010), (340, 591167), (556, 361505), (695, 289204), (1390, 144602), (2363, 85060), (2780, 72301), (4253, 47260), (4726, 42530), (8506, 23630), (9452, 21265), (11815, 17012)]