19604100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 57371328

約数和(自身を除く): 37767228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 150, 202, 300, 303, 404, 505, 606, 647, 1010, 1212, 1294, 1515, 1941, 2020, 2525, 2588, 3030, 3235, 3882, 5050, 6060, 6470, 7575, 7764, 9705, 10100, 12940, 15150, 16175, 19410, 30300, 32350, 38820, 48525, 64700, 65347, 97050, 130694, 194100, 196041, 261388, 326735, 392082, 653470, 784164, 980205, 1306940, 1633675, 1960410, 3267350, 3920820, 4901025, 6534700, 9802050, 19604100]

約数ペア:

[(1, 19604100), (2, 9802050), (3, 6534700), (4, 4901025), (5, 3920820), (6, 3267350), (10, 1960410), (12, 1633675), (15, 1306940), (20, 980205), (25, 784164), (30, 653470), (50, 392082), (60, 326735), (75, 261388), (100, 196041), (101, 194100), (150, 130694), (202, 97050), (300, 65347), (303, 64700), (404, 48525), (505, 38820), (606, 32350), (647, 30300), (1010, 19410), (1212, 16175), (1294, 15150), (1515, 12940), (1941, 10100), (2020, 9705), (2525, 7764), (2588, 7575), (3030, 6470), (3235, 6060), (3882, 5050)]