203485280

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2897}}^1$

素因数の和:3351

約数の個数: 48

約数和(自身を含む): 481995360

約数和(自身を除く): 278510080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 2897, 3512, 4390, 5794, 7024, 8780, 11588, 14048, 14485, 17560, 23176, 28970, 35120, 46352, 57940, 70240, 92704, 115880, 231760, 463520, 1271783, 2543566, 5087132, 6358915, 10174264, 12717830, 20348528, 25435660, 40697056, 50871320, 101742640, 203485280]

約数ペア:

[(1, 203485280), (2, 101742640), (4, 50871320), (5, 40697056), (8, 25435660), (10, 20348528), (16, 12717830), (20, 10174264), (32, 6358915), (40, 5087132), (80, 2543566), (160, 1271783), (439, 463520), (878, 231760), (1756, 115880), (2195, 92704), (2897, 70240), (3512, 57940), (4390, 46352), (5794, 35120), (7024, 28970), (8780, 23176), (11588, 17560), (14048, 14485)]