1899920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 5142528

約数和(自身を除く): 3242608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 127, 136, 170, 176, 187, 220, 254, 272, 340, 374, 440, 508, 635, 680, 748, 880, 935, 1016, 1270, 1360, 1397, 1496, 1870, 2032, 2159, 2540, 2794, 2992, 3740, 4318, 5080, 5588, 6985, 7480, 8636, 10160, 10795, 11176, 13970, 14960, 17272, 21590, 22352, 23749, 27940, 34544, 43180, 47498, 55880, 86360, 94996, 111760, 118745, 172720, 189992, 237490, 379984, 474980, 949960, 1899920]

約数ペア:

[(1, 1899920), (2, 949960), (4, 474980), (5, 379984), (8, 237490), (10, 189992), (11, 172720), (16, 118745), (17, 111760), (20, 94996), (22, 86360), (34, 55880), (40, 47498), (44, 43180), (55, 34544), (68, 27940), (80, 23749), (85, 22352), (88, 21590), (110, 17272), (127, 14960), (136, 13970), (170, 11176), (176, 10795), (187, 10160), (220, 8636), (254, 7480), (272, 6985), (340, 5588), (374, 5080), (440, 4318), (508, 3740), (635, 2992), (680, 2794), (748, 2540), (880, 2159), (935, 2032), (1016, 1870), (1270, 1496), (1360, 1397)]