809302020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{189977}}^1$

素因数の和:190060

約数の個数: 48

約数和(自身を含む): 2297973888

約数和(自身を除く): 1488671868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 189977, 379954, 569931, 759908, 949885, 1139862, 1899770, 2279724, 2849655, 3799540, 5699310, 11398620, 13488367, 26976734, 40465101, 53953468, 67441835, 80930202, 134883670, 161860404, 202325505, 269767340, 404651010, 809302020]

約数ペア:

[(1, 809302020), (2, 404651010), (3, 269767340), (4, 202325505), (5, 161860404), (6, 134883670), (10, 80930202), (12, 67441835), (15, 53953468), (20, 40465101), (30, 26976734), (60, 13488367), (71, 11398620), (142, 5699310), (213, 3799540), (284, 2849655), (355, 2279724), (426, 1899770), (710, 1139862), (852, 949885), (1065, 759908), (1420, 569931), (2130, 379954), (4260, 189977)]