27990850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 54603648

約数和(自身を除く): 26612798

約数列:

[1, 2, 5, 10, 25, 43, 47, 50, 86, 94, 215, 235, 277, 430, 470, 554, 1075, 1175, 1385, 2021, 2150, 2350, 2770, 4042, 6925, 10105, 11911, 13019, 13850, 20210, 23822, 26038, 50525, 59555, 65095, 101050, 119110, 130190, 297775, 325475, 559817, 595550, 650950, 1119634, 2799085, 5598170, 13995425, 27990850]

約数ペア:

[(1, 27990850), (2, 13995425), (5, 5598170), (10, 2799085), (25, 1119634), (43, 650950), (47, 595550), (50, 559817), (86, 325475), (94, 297775), (215, 130190), (235, 119110), (277, 101050), (430, 65095), (470, 59555), (554, 50525), (1075, 26038), (1175, 23822), (1385, 20210), (2021, 13850), (2150, 13019), (2350, 11911), (2770, 10105), (4042, 6925)]