201219850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23813}}^1$

素因数の和:23851

約数の個数: 36

約数和(自身を含む): 405290466

約数和(自身を除く): 204070616

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 23813, 47626, 119065, 238130, 309569, 595325, 619138, 1190650, 1547845, 3095690, 4024397, 7739225, 8048794, 15478450, 20121985, 40243970, 100609925, 201219850]

約数ペア:

[(1, 201219850), (2, 100609925), (5, 40243970), (10, 20121985), (13, 15478450), (25, 8048794), (26, 7739225), (50, 4024397), (65, 3095690), (130, 1547845), (169, 1190650), (325, 619138), (338, 595325), (650, 309569), (845, 238130), (1690, 119065), (4225, 47626), (8450, 23813)]