28711830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2909}}^1$

素因数の和:2973

約数の個数: 64

約数和(自身を含む): 80455680

約数和(自身を除く): 51743850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2909, 3290, 4935, 5818, 8727, 9870, 14545, 17454, 20363, 29090, 40726, 43635, 61089, 87270, 101815, 122178, 136723, 203630, 273446, 305445, 410169, 610890, 683615, 820338, 957061, 1367230, 1914122, 2050845, 2871183, 4101690, 4785305, 5742366, 9570610, 14355915, 28711830]

約数ペア:

[(1, 28711830), (2, 14355915), (3, 9570610), (5, 5742366), (6, 4785305), (7, 4101690), (10, 2871183), (14, 2050845), (15, 1914122), (21, 1367230), (30, 957061), (35, 820338), (42, 683615), (47, 610890), (70, 410169), (94, 305445), (105, 273446), (141, 203630), (210, 136723), (235, 122178), (282, 101815), (329, 87270), (470, 61089), (658, 43635), (705, 40726), (987, 29090), (1410, 20363), (1645, 17454), (1974, 14545), (2909, 9870), (3290, 8727), (4935, 5818)]