72423740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{727}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 161808192

約数和(自身を除く): 89384452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 586, 727, 1172, 1454, 1465, 2908, 2930, 3635, 4981, 5860, 7270, 9962, 12359, 14540, 19924, 24718, 24905, 49436, 49810, 61795, 99620, 123590, 213011, 247180, 426022, 852044, 1065055, 2130110, 3621187, 4260220, 7242374, 14484748, 18105935, 36211870, 72423740]

約数ペア:

[(1, 72423740), (2, 36211870), (4, 18105935), (5, 14484748), (10, 7242374), (17, 4260220), (20, 3621187), (34, 2130110), (68, 1065055), (85, 852044), (170, 426022), (293, 247180), (340, 213011), (586, 123590), (727, 99620), (1172, 61795), (1454, 49810), (1465, 49436), (2908, 24905), (2930, 24718), (3635, 19924), (4981, 14540), (5860, 12359), (7270, 9962)]