2109572075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 3132040608

約数和(自身を除く): 1022468533

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 169, 221, 299, 325, 391, 425, 575, 845, 1105, 1277, 1495, 1955, 2873, 3887, 4225, 5083, 5525, 6385, 7475, 9775, 14365, 16601, 19435, 21709, 25415, 29371, 31925, 66079, 71825, 83005, 97175, 108545, 127075, 146855, 215813, 282217, 330395, 381823, 415025, 499307, 542725, 734275, 1079065, 1411085, 1651975, 1909115, 2496535, 3668821, 4963699, 5395325, 6490991, 7055425, 9545575, 12482675, 18344105, 24818495, 32454955, 84382883, 91720525, 124092475, 162274775, 421914415, 2109572075]

約数ペア:

[(1, 2109572075), (5, 421914415), (13, 162274775), (17, 124092475), (23, 91720525), (25, 84382883), (65, 32454955), (85, 24818495), (115, 18344105), (169, 12482675), (221, 9545575), (299, 7055425), (325, 6490991), (391, 5395325), (425, 4963699), (575, 3668821), (845, 2496535), (1105, 1909115), (1277, 1651975), (1495, 1411085), (1955, 1079065), (2873, 734275), (3887, 542725), (4225, 499307), (5083, 415025), (5525, 381823), (6385, 330395), (7475, 282217), (9775, 215813), (14365, 146855), (16601, 127075), (19435, 108545), (21709, 97175), (25415, 83005), (29371, 71825), (31925, 66079)]