2783157020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{733}}^2$

素因数の和:1519

約数の個数: 72

約数和(自身を含む): 6869477664

約数和(自身を除く): 4086320644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 733, 740, 1036, 1295, 1466, 2590, 2932, 3665, 5131, 5180, 7330, 10262, 14660, 20524, 25655, 27121, 51310, 54242, 102620, 108484, 135605, 189847, 271210, 379694, 537289, 542420, 759388, 949235, 1074578, 1898470, 2149156, 2686445, 3761023, 3796940, 5372890, 7522046, 10745780, 15044092, 18805115, 19879693, 37610230, 39759386, 75220460, 79518772, 99398465, 139157851, 198796930, 278315702, 397593860, 556631404, 695789255, 1391578510, 2783157020]

約数ペア:

[(1, 2783157020), (2, 1391578510), (4, 695789255), (5, 556631404), (7, 397593860), (10, 278315702), (14, 198796930), (20, 139157851), (28, 99398465), (35, 79518772), (37, 75220460), (70, 39759386), (74, 37610230), (140, 19879693), (148, 18805115), (185, 15044092), (259, 10745780), (370, 7522046), (518, 5372890), (733, 3796940), (740, 3761023), (1036, 2686445), (1295, 2149156), (1466, 1898470), (2590, 1074578), (2932, 949235), (3665, 759388), (5131, 542420), (5180, 537289), (7330, 379694), (10262, 271210), (14660, 189847), (20524, 135605), (25655, 108484), (27121, 102620), (51310, 54242)]