1121320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 2707740

約数和(自身を除く): 1586420

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 289, 340, 388, 485, 578, 680, 776, 970, 1156, 1445, 1649, 1940, 2312, 2890, 3298, 3880, 5780, 6596, 8245, 11560, 13192, 16490, 28033, 32980, 56066, 65960, 112132, 140165, 224264, 280330, 560660, 1121320]

約数ペア:

[(1, 1121320), (2, 560660), (4, 280330), (5, 224264), (8, 140165), (10, 112132), (17, 65960), (20, 56066), (34, 32980), (40, 28033), (68, 16490), (85, 13192), (97, 11560), (136, 8245), (170, 6596), (194, 5780), (289, 3880), (340, 3298), (388, 2890), (485, 2312), (578, 1940), (680, 1649), (776, 1445), (970, 1156)]