28379220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{787}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 79695168

約数和(自身を除く): 51315948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 601, 787, 1202, 1574, 1803, 2361, 2404, 3005, 3148, 3606, 3935, 4722, 6010, 7212, 7870, 9015, 9444, 11805, 12020, 15740, 18030, 23610, 36060, 47220, 472987, 945974, 1418961, 1891948, 2364935, 2837922, 4729870, 5675844, 7094805, 9459740, 14189610, 28379220]

約数ペア:

[(1, 28379220), (2, 14189610), (3, 9459740), (4, 7094805), (5, 5675844), (6, 4729870), (10, 2837922), (12, 2364935), (15, 1891948), (20, 1418961), (30, 945974), (60, 472987), (601, 47220), (787, 36060), (1202, 23610), (1574, 18030), (1803, 15740), (2361, 12020), (2404, 11805), (3005, 9444), (3148, 9015), (3606, 7870), (3935, 7212), (4722, 6010)]