439280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 1142040

約数和(自身を除く): 702760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 289, 304, 323, 340, 380, 578, 646, 680, 760, 1156, 1292, 1360, 1445, 1520, 1615, 2312, 2584, 2890, 3230, 4624, 5168, 5491, 5780, 6460, 10982, 11560, 12920, 21964, 23120, 25840, 27455, 43928, 54910, 87856, 109820, 219640, 439280]

約数ペア:

[(1, 439280), (2, 219640), (4, 109820), (5, 87856), (8, 54910), (10, 43928), (16, 27455), (17, 25840), (19, 23120), (20, 21964), (34, 12920), (38, 11560), (40, 10982), (68, 6460), (76, 5780), (80, 5491), (85, 5168), (95, 4624), (136, 3230), (152, 2890), (170, 2584), (190, 2312), (272, 1615), (289, 1520), (304, 1445), (323, 1360), (340, 1292), (380, 1156), (578, 760), (646, 680)]