199890830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{6701}}^1$

素因数の和:6884

約数の個数: 32

約数和(自身を含む): 381209760

約数和(自身を除く): 181318930

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2983, 5966, 6701, 13402, 14915, 29830, 33505, 67010, 127319, 254638, 636595, 1052057, 1273190, 2104114, 5260285, 10520570, 19989083, 39978166, 99945415, 199890830]

約数ペア:

[(1, 199890830), (2, 99945415), (5, 39978166), (10, 19989083), (19, 10520570), (38, 5260285), (95, 2104114), (157, 1273190), (190, 1052057), (314, 636595), (785, 254638), (1570, 127319), (2983, 67010), (5966, 33505), (6701, 29830), (13402, 14915)]