193844420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11443}}^1$

素因数の和:11481

約数の個数: 72

約数和(自身を含む): 511409472

約数和(自身を除く): 317565052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 11443, 16940, 22886, 45772, 57215, 80101, 114430, 125873, 160202, 228860, 251746, 320404, 400505, 503492, 629365, 801010, 881111, 1258730, 1384603, 1602020, 1762222, 2517460, 2769206, 3524444, 4405555, 5538412, 6923015, 8811110, 9692221, 13846030, 17622220, 19384442, 27692060, 38768884, 48461105, 96922210, 193844420]

約数ペア:

[(1, 193844420), (2, 96922210), (4, 48461105), (5, 38768884), (7, 27692060), (10, 19384442), (11, 17622220), (14, 13846030), (20, 9692221), (22, 8811110), (28, 6923015), (35, 5538412), (44, 4405555), (55, 3524444), (70, 2769206), (77, 2517460), (110, 1762222), (121, 1602020), (140, 1384603), (154, 1258730), (220, 881111), (242, 801010), (308, 629365), (385, 503492), (484, 400505), (605, 320404), (770, 251746), (847, 228860), (1210, 160202), (1540, 125873), (1694, 114430), (2420, 80101), (3388, 57215), (4235, 45772), (8470, 22886), (11443, 16940)]