72478105

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{101}}^2$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 105708780

約数和(自身を除く): 33230675

約数列:

[1, 5, 7, 29, 35, 49, 101, 145, 203, 245, 505, 707, 1015, 1421, 2929, 3535, 4949, 7105, 10201, 14645, 20503, 24745, 51005, 71407, 102515, 143521, 295829, 357035, 499849, 717605, 1479145, 2070803, 2499245, 10354015, 14495621, 72478105]

約数ペア:

[(1, 72478105), (5, 14495621), (7, 10354015), (29, 2499245), (35, 2070803), (49, 1479145), (101, 717605), (145, 499849), (203, 357035), (245, 295829), (505, 143521), (707, 102515), (1015, 71407), (1421, 51005), (2929, 24745), (3535, 20503), (4949, 14645), (7105, 10201)]