2008681990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1447}}^1\times {\mathrm{2833}}^1$

素因数の和:4301

約数の個数: 48

約数和(自身を含む): 4210326432

約数和(自身を除く): 2201644442

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1447, 2833, 2894, 5666, 7235, 10129, 14165, 14470, 19831, 20258, 28330, 39662, 50645, 70903, 99155, 101290, 138817, 141806, 198310, 277634, 354515, 694085, 709030, 1388170, 4099351, 8198702, 20496755, 28695457, 40993510, 57390914, 143477285, 200868199, 286954570, 401736398, 1004340995, 2008681990]

約数ペア:

[(1, 2008681990), (2, 1004340995), (5, 401736398), (7, 286954570), (10, 200868199), (14, 143477285), (35, 57390914), (49, 40993510), (70, 28695457), (98, 20496755), (245, 8198702), (490, 4099351), (1447, 1388170), (2833, 709030), (2894, 694085), (5666, 354515), (7235, 277634), (10129, 198310), (14165, 141806), (14470, 138817), (19831, 101290), (20258, 99155), (28330, 70903), (39662, 50645)]