29875120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 80271648

約数和(自身を除く): 50396528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 1997, 2992, 3740, 3994, 7480, 7988, 9985, 14960, 15976, 19970, 21967, 31952, 33949, 39940, 43934, 67898, 79880, 87868, 109835, 135796, 159760, 169745, 175736, 219670, 271592, 339490, 351472, 373439, 439340, 543184, 678980, 746878, 878680, 1357960, 1493756, 1757360, 1867195, 2715920, 2987512, 3734390, 5975024, 7468780, 14937560, 29875120]

約数ペア:

[(1, 29875120), (2, 14937560), (4, 7468780), (5, 5975024), (8, 3734390), (10, 2987512), (11, 2715920), (16, 1867195), (17, 1757360), (20, 1493756), (22, 1357960), (34, 878680), (40, 746878), (44, 678980), (55, 543184), (68, 439340), (80, 373439), (85, 351472), (88, 339490), (110, 271592), (136, 219670), (170, 175736), (176, 169745), (187, 159760), (220, 135796), (272, 109835), (340, 87868), (374, 79880), (440, 67898), (680, 43934), (748, 39940), (880, 33949), (935, 31952), (1360, 21967), (1496, 19970), (1870, 15976), (1997, 14960), (2992, 9985), (3740, 7988), (3994, 7480)]