1779920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 4359840

約数和(自身を除く): 2579920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1171, 1520, 2342, 4684, 5855, 9368, 11710, 18736, 22249, 23420, 44498, 46840, 88996, 93680, 111245, 177992, 222490, 355984, 444980, 889960, 1779920]

約数ペア:

[(1, 1779920), (2, 889960), (4, 444980), (5, 355984), (8, 222490), (10, 177992), (16, 111245), (19, 93680), (20, 88996), (38, 46840), (40, 44498), (76, 23420), (80, 22249), (95, 18736), (152, 11710), (190, 9368), (304, 5855), (380, 4684), (760, 2342), (1171, 1520)]