7934780

素因数分解:

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

素因数の和:211

約数の個数: 72

約数和(自身を含む): 20226528

約数和(自身を除く): 12291748

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 157, 190, 266, 314, 361, 380, 532, 628, 665, 722, 785, 1099, 1330, 1444, 1570, 1805, 2198, 2527, 2660, 2983, 3140, 3610, 4396, 5054, 5495, 5966, 7220, 10108, 10990, 11932, 12635, 14915, 20881, 21980, 25270, 29830, 41762, 50540, 56677, 59660, 83524, 104405, 113354, 208810, 226708, 283385, 396739, 417620, 566770, 793478, 1133540, 1586956, 1983695, 3967390, 7934780]

約数ペア:

[(1, 7934780), (2, 3967390), (4, 1983695), (5, 1586956), (7, 1133540), (10, 793478), (14, 566770), (19, 417620), (20, 396739), (28, 283385), (35, 226708), (38, 208810), (70, 113354), (76, 104405), (95, 83524), (133, 59660), (140, 56677), (157, 50540), (190, 41762), (266, 29830), (314, 25270), (361, 21980), (380, 20881), (532, 14915), (628, 12635), (665, 11932), (722, 10990), (785, 10108), (1099, 7220), (1330, 5966), (1444, 5495), (1570, 5054), (1805, 4396), (2198, 3610), (2527, 3140), (2660, 2983)]