68438950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 136308240

約数和(自身を除く): 67869290

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1181, 1525, 2318, 2362, 3050, 5795, 5905, 11590, 11810, 22439, 28975, 29525, 44878, 57950, 59050, 72041, 112195, 144082, 224390, 360205, 560975, 720410, 1121950, 1368779, 1801025, 2737558, 3602050, 6843895, 13687790, 34219475, 68438950]

約数ペア:

[(1, 68438950), (2, 34219475), (5, 13687790), (10, 6843895), (19, 3602050), (25, 2737558), (38, 1801025), (50, 1368779), (61, 1121950), (95, 720410), (122, 560975), (190, 360205), (305, 224390), (475, 144082), (610, 112195), (950, 72041), (1159, 59050), (1181, 57950), (1525, 44878), (2318, 29525), (2362, 28975), (3050, 22439), (5795, 11810), (5905, 11590)]