206513660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{28603}}^1$

素因数の和:28650

約数の個数: 36

約数和(自身を含む): 457721208

約数和(自身を除く): 251207548

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 28603, 57206, 114412, 143015, 286030, 543457, 572060, 1086914, 2173828, 2717285, 5434570, 10325683, 10869140, 20651366, 41302732, 51628415, 103256830, 206513660]

約数ペア:

[(1, 206513660), (2, 103256830), (4, 51628415), (5, 41302732), (10, 20651366), (19, 10869140), (20, 10325683), (38, 5434570), (76, 2717285), (95, 2173828), (190, 1086914), (361, 572060), (380, 543457), (722, 286030), (1444, 143015), (1805, 114412), (3610, 57206), (7220, 28603)]