2019019700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{2447}}^1$

素因数の和:2721

約数の個数: 72

約数和(自身を含む): 4521710592

約数和(自身を除く): 2502690892

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 223, 370, 446, 740, 892, 925, 1115, 1850, 2230, 2447, 3700, 4460, 4894, 5575, 8251, 9788, 11150, 12235, 16502, 22300, 24470, 33004, 41255, 48940, 61175, 82510, 90539, 122350, 165020, 181078, 206275, 244700, 362156, 412550, 452695, 545681, 825100, 905390, 1091362, 1810780, 2182724, 2263475, 2728405, 4526950, 5456810, 9053900, 10913620, 13642025, 20190197, 27284050, 40380394, 54568100, 80760788, 100950985, 201901970, 403803940, 504754925, 1009509850, 2019019700]

約数ペア:

[(1, 2019019700), (2, 1009509850), (4, 504754925), (5, 403803940), (10, 201901970), (20, 100950985), (25, 80760788), (37, 54568100), (50, 40380394), (74, 27284050), (100, 20190197), (148, 13642025), (185, 10913620), (223, 9053900), (370, 5456810), (446, 4526950), (740, 2728405), (892, 2263475), (925, 2182724), (1115, 1810780), (1850, 1091362), (2230, 905390), (2447, 825100), (3700, 545681), (4460, 452695), (4894, 412550), (5575, 362156), (8251, 244700), (9788, 206275), (11150, 181078), (12235, 165020), (16502, 122350), (22300, 90539), (24470, 82510), (33004, 61175), (41255, 48940)]