162890950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 312792480

約数和(自身を除く): 149901530

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 181, 205, 362, 410, 439, 878, 905, 1025, 1810, 2050, 2195, 4390, 4525, 7421, 9050, 10975, 14842, 17999, 21950, 35998, 37105, 74210, 79459, 89995, 158918, 179990, 185525, 371050, 397295, 449975, 794590, 899950, 1986475, 3257819, 3972950, 6515638, 16289095, 32578190, 81445475, 162890950]

約数ペア:

[(1, 162890950), (2, 81445475), (5, 32578190), (10, 16289095), (25, 6515638), (41, 3972950), (50, 3257819), (82, 1986475), (181, 899950), (205, 794590), (362, 449975), (410, 397295), (439, 371050), (878, 185525), (905, 179990), (1025, 158918), (1810, 89995), (2050, 79459), (2195, 74210), (4390, 37105), (4525, 35998), (7421, 21950), (9050, 17999), (10975, 14842)]