55981700

素因数分解:

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

素因数の和:381

約数の個数: 72

約数和(自身を含む): 127408512

約数和(自身を除く): 71426812

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 277, 430, 470, 554, 860, 940, 1075, 1108, 1175, 1385, 2021, 2150, 2350, 2770, 4042, 4300, 4700, 5540, 6925, 8084, 10105, 11911, 13019, 13850, 20210, 23822, 26038, 27700, 40420, 47644, 50525, 52076, 59555, 65095, 101050, 119110, 130190, 202100, 238220, 260380, 297775, 325475, 559817, 595550, 650950, 1119634, 1191100, 1301900, 2239268, 2799085, 5598170, 11196340, 13995425, 27990850, 55981700]

約数ペア:

[(1, 55981700), (2, 27990850), (4, 13995425), (5, 11196340), (10, 5598170), (20, 2799085), (25, 2239268), (43, 1301900), (47, 1191100), (50, 1119634), (86, 650950), (94, 595550), (100, 559817), (172, 325475), (188, 297775), (215, 260380), (235, 238220), (277, 202100), (430, 130190), (470, 119110), (554, 101050), (860, 65095), (940, 59555), (1075, 52076), (1108, 50525), (1175, 47644), (1385, 40420), (2021, 27700), (2150, 26038), (2350, 23822), (2770, 20210), (4042, 13850), (4300, 13019), (4700, 11911), (5540, 10105), (6925, 8084)]