3942500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 9184560

約数和(自身を除く): 5242060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 125, 166, 190, 250, 332, 380, 415, 475, 500, 625, 830, 950, 1250, 1577, 1660, 1900, 2075, 2375, 2500, 3154, 4150, 4750, 6308, 7885, 8300, 9500, 10375, 11875, 15770, 20750, 23750, 31540, 39425, 41500, 47500, 51875, 78850, 103750, 157700, 197125, 207500, 394250, 788500, 985625, 1971250, 3942500]

約数ペア:

[(1, 3942500), (2, 1971250), (4, 985625), (5, 788500), (10, 394250), (19, 207500), (20, 197125), (25, 157700), (38, 103750), (50, 78850), (76, 51875), (83, 47500), (95, 41500), (100, 39425), (125, 31540), (166, 23750), (190, 20750), (250, 15770), (332, 11875), (380, 10375), (415, 9500), (475, 8300), (500, 7885), (625, 6308), (830, 4750), (950, 4150), (1250, 3154), (1577, 2500), (1660, 2375), (1900, 2075)]