7487970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 20756736

約数和(自身を除く): 13268766

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 181, 197, 210, 362, 394, 543, 591, 905, 985, 1086, 1182, 1267, 1379, 1810, 1970, 2534, 2715, 2758, 2955, 3801, 4137, 5430, 5910, 6335, 6895, 7602, 8274, 12670, 13790, 19005, 20685, 35657, 38010, 41370, 71314, 106971, 178285, 213942, 249599, 356570, 499198, 534855, 748797, 1069710, 1247995, 1497594, 2495990, 3743985, 7487970]

約数ペア:

[(1, 7487970), (2, 3743985), (3, 2495990), (5, 1497594), (6, 1247995), (7, 1069710), (10, 748797), (14, 534855), (15, 499198), (21, 356570), (30, 249599), (35, 213942), (42, 178285), (70, 106971), (105, 71314), (181, 41370), (197, 38010), (210, 35657), (362, 20685), (394, 19005), (543, 13790), (591, 12670), (905, 8274), (985, 7602), (1086, 6895), (1182, 6335), (1267, 5910), (1379, 5430), (1810, 4137), (1970, 3801), (2534, 2955), (2715, 2758)]