28173510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4409}}^1$

素因数の和:4493

約数の個数: 48

約数和(自身を含む): 74299680

約数和(自身を除く): 46126170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4409, 6390, 8818, 13227, 22045, 26454, 39681, 44090, 66135, 79362, 132270, 198405, 313039, 396810, 626078, 939117, 1565195, 1878234, 2817351, 3130390, 4695585, 5634702, 9391170, 14086755, 28173510]

約数ペア:

[(1, 28173510), (2, 14086755), (3, 9391170), (5, 5634702), (6, 4695585), (9, 3130390), (10, 2817351), (15, 1878234), (18, 1565195), (30, 939117), (45, 626078), (71, 396810), (90, 313039), (142, 198405), (213, 132270), (355, 79362), (426, 66135), (639, 44090), (710, 39681), (1065, 26454), (1278, 22045), (2130, 13227), (3195, 8818), (4409, 6390)]