24888220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 60016320

約数和(自身を除く): 35128100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 457, 778, 914, 1556, 1828, 1945, 2285, 2723, 3199, 3890, 4570, 5446, 6398, 7780, 9140, 10892, 12796, 13615, 15995, 27230, 31990, 54460, 63980, 177773, 355546, 711092, 888865, 1244411, 1777730, 2488822, 3555460, 4977644, 6222055, 12444110, 24888220]

約数ペア:

[(1, 24888220), (2, 12444110), (4, 6222055), (5, 4977644), (7, 3555460), (10, 2488822), (14, 1777730), (20, 1244411), (28, 888865), (35, 711092), (70, 355546), (140, 177773), (389, 63980), (457, 54460), (778, 31990), (914, 27230), (1556, 15995), (1828, 13615), (1945, 12796), (2285, 10892), (2723, 9140), (3199, 7780), (3890, 6398), (4570, 5446)]