3967390

素因数分解:

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

素因数の和:209

約数の個数: 48

約数和(自身を含む): 8668512

約数和(自身を除く): 4701122

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 157, 190, 266, 314, 361, 665, 722, 785, 1099, 1330, 1570, 1805, 2198, 2527, 2983, 3610, 5054, 5495, 5966, 10990, 12635, 14915, 20881, 25270, 29830, 41762, 56677, 104405, 113354, 208810, 283385, 396739, 566770, 793478, 1983695, 3967390]

約数ペア:

[(1, 3967390), (2, 1983695), (5, 793478), (7, 566770), (10, 396739), (14, 283385), (19, 208810), (35, 113354), (38, 104405), (70, 56677), (95, 41762), (133, 29830), (157, 25270), (190, 20881), (266, 14915), (314, 12635), (361, 10990), (665, 5966), (722, 5495), (785, 5054), (1099, 3610), (1330, 2983), (1570, 2527), (1805, 2198)]