417620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 1061760

約数和(自身を除く): 644140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 157, 190, 266, 314, 380, 532, 628, 665, 785, 1099, 1330, 1570, 2198, 2660, 2983, 3140, 4396, 5495, 5966, 10990, 11932, 14915, 20881, 21980, 29830, 41762, 59660, 83524, 104405, 208810, 417620]

約数ペア:

[(1, 417620), (2, 208810), (4, 104405), (5, 83524), (7, 59660), (10, 41762), (14, 29830), (19, 21980), (20, 20881), (28, 14915), (35, 11932), (38, 10990), (70, 5966), (76, 5495), (95, 4396), (133, 3140), (140, 2983), (157, 2660), (190, 2198), (266, 1570), (314, 1330), (380, 1099), (532, 785), (628, 665)]