2100077525

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{18839}}^1$

素因数の和:18883

約数の個数: 48

約数和(自身を含む): 3270624000

約数和(自身を除く): 1170546475

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 343, 455, 637, 1225, 1715, 2275, 3185, 4459, 8575, 15925, 18839, 22295, 94195, 111475, 131873, 244907, 470975, 659365, 923111, 1224535, 1714349, 3296825, 4615555, 6122675, 6461777, 8571745, 12000443, 23077775, 32308885, 42858725, 60002215, 84003101, 161544425, 300011075, 420015505, 2100077525]

約数ペア:

[(1, 2100077525), (5, 420015505), (7, 300011075), (13, 161544425), (25, 84003101), (35, 60002215), (49, 42858725), (65, 32308885), (91, 23077775), (175, 12000443), (245, 8571745), (325, 6461777), (343, 6122675), (455, 4615555), (637, 3296825), (1225, 1714349), (1715, 1224535), (2275, 923111), (3185, 659365), (4459, 470975), (8575, 244907), (15925, 131873), (18839, 111475), (22295, 94195)]