1870168400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{65851}}^1$

素因数の和:65940

約数の個数: 60

約数和(自身を含む): 4556431584

約数和(自身を除く): 2686263184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 14200, 28400, 65851, 131702, 263404, 329255, 526808, 658510, 1053616, 1317020, 1646275, 2634040, 3292550, 4675421, 5268080, 6585100, 9350842, 13170200, 18701684, 23377105, 26340400, 37403368, 46754210, 74806736, 93508420, 116885525, 187016840, 233771050, 374033680, 467542100, 935084200, 1870168400]

約数ペア:

[(1, 1870168400), (2, 935084200), (4, 467542100), (5, 374033680), (8, 233771050), (10, 187016840), (16, 116885525), (20, 93508420), (25, 74806736), (40, 46754210), (50, 37403368), (71, 26340400), (80, 23377105), (100, 18701684), (142, 13170200), (200, 9350842), (284, 6585100), (355, 5268080), (400, 4675421), (568, 3292550), (710, 2634040), (1136, 1646275), (1420, 1317020), (1775, 1053616), (2840, 658510), (3550, 526808), (5680, 329255), (7100, 263404), (14200, 131702), (28400, 65851)]