28811860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 77075712

約数和(自身を除く): 48263852

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 140, 154, 212, 220, 265, 308, 353, 371, 385, 530, 583, 706, 742, 770, 1060, 1166, 1412, 1484, 1540, 1765, 1855, 2332, 2471, 2915, 3530, 3710, 3883, 4081, 4942, 5830, 7060, 7420, 7766, 8162, 9884, 11660, 12355, 15532, 16324, 18709, 19415, 20405, 24710, 27181, 37418, 38830, 40810, 49420, 54362, 74836, 77660, 81620, 93545, 108724, 130963, 135905, 187090, 205799, 261926, 271810, 374180, 411598, 523852, 543620, 654815, 823196, 1028995, 1309630, 1440593, 2057990, 2619260, 2881186, 4115980, 5762372, 7202965, 14405930, 28811860]

約数ペア:

[(1, 28811860), (2, 14405930), (4, 7202965), (5, 5762372), (7, 4115980), (10, 2881186), (11, 2619260), (14, 2057990), (20, 1440593), (22, 1309630), (28, 1028995), (35, 823196), (44, 654815), (53, 543620), (55, 523852), (70, 411598), (77, 374180), (106, 271810), (110, 261926), (140, 205799), (154, 187090), (212, 135905), (220, 130963), (265, 108724), (308, 93545), (353, 81620), (371, 77660), (385, 74836), (530, 54362), (583, 49420), (706, 40810), (742, 38830), (770, 37418), (1060, 27181), (1166, 24710), (1412, 20405), (1484, 19415), (1540, 18709), (1765, 16324), (1855, 15532), (2332, 12355), (2471, 11660), (2915, 9884), (3530, 8162), (3710, 7766), (3883, 7420), (4081, 7060), (4942, 5830)]