201112821790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{638717}}^1$

素因数の和:638821

約数の個数: 48

約数和(自身を含む): 388228129632

約数和(自身を除く): 187115307842

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1369, 1702, 2738, 4255, 6845, 8510, 13690, 31487, 62974, 157435, 314870, 638717, 1277434, 3193585, 6387170, 14690491, 23632529, 29380982, 47265058, 73452455, 118162645, 146904910, 236325290, 543548167, 874403573, 1087096334, 1748807146, 2717740835, 4372017865, 5435481670, 8744035730, 20111282179, 40222564358, 100556410895, 201112821790]

約数ペア:

[(1, 201112821790), (2, 100556410895), (5, 40222564358), (10, 20111282179), (23, 8744035730), (37, 5435481670), (46, 4372017865), (74, 2717740835), (115, 1748807146), (185, 1087096334), (230, 874403573), (370, 543548167), (851, 236325290), (1369, 146904910), (1702, 118162645), (2738, 73452455), (4255, 47265058), (6845, 29380982), (8510, 23632529), (13690, 14690491), (31487, 6387170), (62974, 3193585), (157435, 1277434), (314870, 638717)]