388169240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10867}}^1$

素因数の和:10944

約数の個数: 64

約数和(自身を含む): 938995200

約数和(自身を除く): 550825960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 10867, 17860, 21734, 35720, 43468, 54335, 86936, 108670, 206473, 217340, 412946, 434680, 510749, 825892, 1021498, 1032365, 1651784, 2042996, 2064730, 2553745, 4085992, 4129460, 5107490, 8258920, 9704231, 10214980, 19408462, 20429960, 38816924, 48521155, 77633848, 97042310, 194084620, 388169240]

約数ペア:

[(1, 388169240), (2, 194084620), (4, 97042310), (5, 77633848), (8, 48521155), (10, 38816924), (19, 20429960), (20, 19408462), (38, 10214980), (40, 9704231), (47, 8258920), (76, 5107490), (94, 4129460), (95, 4085992), (152, 2553745), (188, 2064730), (190, 2042996), (235, 1651784), (376, 1032365), (380, 1021498), (470, 825892), (760, 510749), (893, 434680), (940, 412946), (1786, 217340), (1880, 206473), (3572, 108670), (4465, 86936), (7144, 54335), (8930, 43468), (10867, 35720), (17860, 21734)]