1995500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 4708704

約数和(自身を除く): 2713204

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 307, 325, 500, 614, 650, 1228, 1300, 1535, 1625, 3070, 3250, 3991, 6140, 6500, 7675, 7982, 15350, 15964, 19955, 30700, 38375, 39910, 76750, 79820, 99775, 153500, 199550, 399100, 498875, 997750, 1995500]

約数ペア:

[(1, 1995500), (2, 997750), (4, 498875), (5, 399100), (10, 199550), (13, 153500), (20, 99775), (25, 79820), (26, 76750), (50, 39910), (52, 38375), (65, 30700), (100, 19955), (125, 15964), (130, 15350), (250, 7982), (260, 7675), (307, 6500), (325, 6140), (500, 3991), (614, 3250), (650, 3070), (1228, 1625), (1300, 1535)]