288872200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{4001}}^1$

素因数の和:4055

約数の個数: 72

約数和(自身を含む): 709014330

約数和(自身を除く): 420142130

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 475, 722, 760, 950, 1444, 1805, 1900, 2888, 3610, 3800, 4001, 7220, 8002, 9025, 14440, 16004, 18050, 20005, 32008, 36100, 40010, 72200, 76019, 80020, 100025, 152038, 160040, 200050, 304076, 380095, 400100, 608152, 760190, 800200, 1444361, 1520380, 1900475, 2888722, 3040760, 3800950, 5777444, 7221805, 7601900, 11554888, 14443610, 15203800, 28887220, 36109025, 57774440, 72218050, 144436100, 288872200]

約数ペア:

[(1, 288872200), (2, 144436100), (4, 72218050), (5, 57774440), (8, 36109025), (10, 28887220), (19, 15203800), (20, 14443610), (25, 11554888), (38, 7601900), (40, 7221805), (50, 5777444), (76, 3800950), (95, 3040760), (100, 2888722), (152, 1900475), (190, 1520380), (200, 1444361), (361, 800200), (380, 760190), (475, 608152), (722, 400100), (760, 380095), (950, 304076), (1444, 200050), (1805, 160040), (1900, 152038), (2888, 100025), (3610, 80020), (3800, 76019), (4001, 72200), (7220, 40010), (8002, 36100), (9025, 32008), (14440, 20005), (16004, 18050)]