201883180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 436907520

約数和(自身を除く): 235024340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 764, 820, 955, 1289, 1910, 2578, 3820, 5156, 6445, 7831, 12890, 15662, 25780, 31324, 39155, 52849, 78310, 105698, 156620, 211396, 246199, 264245, 492398, 528490, 984796, 1056980, 1230995, 2461990, 4923980, 10094159, 20188318, 40376636, 50470795, 100941590, 201883180]

約数ペア:

[(1, 201883180), (2, 100941590), (4, 50470795), (5, 40376636), (10, 20188318), (20, 10094159), (41, 4923980), (82, 2461990), (164, 1230995), (191, 1056980), (205, 984796), (382, 528490), (410, 492398), (764, 264245), (820, 246199), (955, 211396), (1289, 156620), (1910, 105698), (2578, 78310), (3820, 52849), (5156, 39155), (6445, 31324), (7831, 25780), (12890, 15662)]