5131900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 12204080

約数和(自身を除く): 7072180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 73, 74, 76, 95, 100, 146, 148, 185, 190, 292, 365, 370, 380, 475, 703, 730, 740, 925, 950, 1387, 1406, 1460, 1825, 1850, 1900, 2701, 2774, 2812, 3515, 3650, 3700, 5402, 5548, 6935, 7030, 7300, 10804, 13505, 13870, 14060, 17575, 27010, 27740, 34675, 35150, 51319, 54020, 67525, 69350, 70300, 102638, 135050, 138700, 205276, 256595, 270100, 513190, 1026380, 1282975, 2565950, 5131900]

約数ペア:

[(1, 5131900), (2, 2565950), (4, 1282975), (5, 1026380), (10, 513190), (19, 270100), (20, 256595), (25, 205276), (37, 138700), (38, 135050), (50, 102638), (73, 70300), (74, 69350), (76, 67525), (95, 54020), (100, 51319), (146, 35150), (148, 34675), (185, 27740), (190, 27010), (292, 17575), (365, 14060), (370, 13870), (380, 13505), (475, 10804), (703, 7300), (730, 7030), (740, 6935), (925, 5548), (950, 5402), (1387, 3700), (1406, 3650), (1460, 3515), (1825, 2812), (1850, 2774), (1900, 2701)]