2018012500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{23063}}^1$

素因数の和:23099

約数の個数: 72

約数和(自身を含む): 5044927104

約数和(自身を除く): 3026914604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3125, 3500, 4375, 6250, 8750, 12500, 17500, 21875, 23063, 43750, 46126, 87500, 92252, 115315, 161441, 230630, 322882, 461260, 576575, 645764, 807205, 1153150, 1614410, 2306300, 2882875, 3228820, 4036025, 5765750, 8072050, 11531500, 14414375, 16144100, 20180125, 28828750, 40360250, 57657500, 72071875, 80720500, 100900625, 144143750, 201801250, 288287500, 403602500, 504503125, 1009006250, 2018012500]

約数ペア:

[(1, 2018012500), (2, 1009006250), (4, 504503125), (5, 403602500), (7, 288287500), (10, 201801250), (14, 144143750), (20, 100900625), (25, 80720500), (28, 72071875), (35, 57657500), (50, 40360250), (70, 28828750), (100, 20180125), (125, 16144100), (140, 14414375), (175, 11531500), (250, 8072050), (350, 5765750), (500, 4036025), (625, 3228820), (700, 2882875), (875, 2306300), (1250, 1614410), (1750, 1153150), (2500, 807205), (3125, 645764), (3500, 576575), (4375, 461260), (6250, 322882), (8750, 230630), (12500, 161441), (17500, 115315), (21875, 92252), (23063, 87500), (43750, 46126)]