386339920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{587}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 949314240

約数和(自身を除く): 562974320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 433, 587, 760, 866, 1174, 1520, 1732, 2165, 2348, 2935, 3464, 4330, 4696, 5870, 6928, 8227, 8660, 9392, 11153, 11740, 16454, 17320, 22306, 23480, 32908, 34640, 41135, 44612, 46960, 55765, 65816, 82270, 89224, 111530, 131632, 164540, 178448, 223060, 254171, 329080, 446120, 508342, 658160, 892240, 1016684, 1270855, 2033368, 2541710, 4066736, 4829249, 5083420, 9658498, 10166840, 19316996, 20333680, 24146245, 38633992, 48292490, 77267984, 96584980, 193169960, 386339920]

約数ペア:

[(1, 386339920), (2, 193169960), (4, 96584980), (5, 77267984), (8, 48292490), (10, 38633992), (16, 24146245), (19, 20333680), (20, 19316996), (38, 10166840), (40, 9658498), (76, 5083420), (80, 4829249), (95, 4066736), (152, 2541710), (190, 2033368), (304, 1270855), (380, 1016684), (433, 892240), (587, 658160), (760, 508342), (866, 446120), (1174, 329080), (1520, 254171), (1732, 223060), (2165, 178448), (2348, 164540), (2935, 131632), (3464, 111530), (4330, 89224), (4696, 82270), (5870, 65816), (6928, 55765), (8227, 46960), (8660, 44612), (9392, 41135), (11153, 34640), (11740, 32908), (16454, 23480), (17320, 22306)]