51997900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 121398480

約数和(自身を除く): 69400580

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 170, 292, 340, 365, 419, 425, 730, 838, 850, 1241, 1460, 1676, 1700, 1825, 2095, 2482, 3650, 4190, 4964, 6205, 7123, 7300, 8380, 10475, 12410, 14246, 20950, 24820, 28492, 30587, 31025, 35615, 41900, 61174, 62050, 71230, 122348, 124100, 142460, 152935, 178075, 305870, 356150, 519979, 611740, 712300, 764675, 1039958, 1529350, 2079916, 2599895, 3058700, 5199790, 10399580, 12999475, 25998950, 51997900]

約数ペア:

[(1, 51997900), (2, 25998950), (4, 12999475), (5, 10399580), (10, 5199790), (17, 3058700), (20, 2599895), (25, 2079916), (34, 1529350), (50, 1039958), (68, 764675), (73, 712300), (85, 611740), (100, 519979), (146, 356150), (170, 305870), (292, 178075), (340, 152935), (365, 142460), (419, 124100), (425, 122348), (730, 71230), (838, 62050), (850, 61174), (1241, 41900), (1460, 35615), (1676, 31025), (1700, 30587), (1825, 28492), (2095, 24820), (2482, 20950), (3650, 14246), (4190, 12410), (4964, 10475), (6205, 8380), (7123, 7300)]