68779025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 105171840

約数和(自身を除く): 36392815

約数列:

[1, 5, 7, 17, 25, 35, 61, 85, 119, 175, 305, 379, 425, 427, 595, 1037, 1525, 1895, 2135, 2653, 2975, 5185, 6443, 7259, 9475, 10675, 13265, 23119, 25925, 32215, 36295, 45101, 66325, 115595, 161075, 161833, 181475, 225505, 393023, 577975, 809165, 1127525, 1965115, 2751161, 4045825, 9825575, 13755805, 68779025]

約数ペア:

[(1, 68779025), (5, 13755805), (7, 9825575), (17, 4045825), (25, 2751161), (35, 1965115), (61, 1127525), (85, 809165), (119, 577975), (175, 393023), (305, 225505), (379, 181475), (425, 161833), (427, 161075), (595, 115595), (1037, 66325), (1525, 45101), (1895, 36295), (2135, 32215), (2653, 25925), (2975, 23119), (5185, 13265), (6443, 10675), (7259, 9475)]