242138980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{7877}}^1$

素因数の和:7968

約数の個数: 48

約数和(自身を含む): 536019120

約数和(自身を除く): 293880140

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 1060, 1537, 3074, 6148, 7685, 7877, 15370, 15754, 30740, 31508, 39385, 78770, 157540, 228433, 417481, 456866, 834962, 913732, 1142165, 1669924, 2087405, 2284330, 4174810, 4568660, 8349620, 12106949, 24213898, 48427796, 60534745, 121069490, 242138980]

約数ペア:

[(1, 242138980), (2, 121069490), (4, 60534745), (5, 48427796), (10, 24213898), (20, 12106949), (29, 8349620), (53, 4568660), (58, 4174810), (106, 2284330), (116, 2087405), (145, 1669924), (212, 1142165), (265, 913732), (290, 834962), (530, 456866), (580, 417481), (1060, 228433), (1537, 157540), (3074, 78770), (6148, 39385), (7685, 31508), (7877, 30740), (15370, 15754)]