2788750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 40

約数和(自身を含む): 5510736

約数和(自身を除く): 2721986

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 97, 115, 125, 194, 230, 250, 485, 575, 625, 970, 1150, 1250, 2231, 2425, 2875, 4462, 4850, 5750, 11155, 12125, 14375, 22310, 24250, 28750, 55775, 60625, 111550, 121250, 278875, 557750, 1394375, 2788750]

約数ペア:

[(1, 2788750), (2, 1394375), (5, 557750), (10, 278875), (23, 121250), (25, 111550), (46, 60625), (50, 55775), (97, 28750), (115, 24250), (125, 22310), (194, 14375), (230, 12125), (250, 11155), (485, 5750), (575, 4850), (625, 4462), (970, 2875), (1150, 2425), (1250, 2231)]