13758220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 34186320

約数和(自身を除く): 20428100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 139, 140, 196, 202, 245, 278, 404, 490, 505, 556, 695, 707, 973, 980, 1010, 1390, 1414, 1946, 2020, 2780, 2828, 3535, 3892, 4865, 4949, 6811, 7070, 9730, 9898, 13622, 14039, 14140, 19460, 19796, 24745, 27244, 28078, 34055, 49490, 56156, 68110, 70195, 98273, 98980, 136220, 140390, 196546, 280780, 393092, 491365, 687911, 982730, 1375822, 1965460, 2751644, 3439555, 6879110, 13758220]

約数ペア:

[(1, 13758220), (2, 6879110), (4, 3439555), (5, 2751644), (7, 1965460), (10, 1375822), (14, 982730), (20, 687911), (28, 491365), (35, 393092), (49, 280780), (70, 196546), (98, 140390), (101, 136220), (139, 98980), (140, 98273), (196, 70195), (202, 68110), (245, 56156), (278, 49490), (404, 34055), (490, 28078), (505, 27244), (556, 24745), (695, 19796), (707, 19460), (973, 14140), (980, 14039), (1010, 13622), (1390, 9898), (1414, 9730), (1946, 7070), (2020, 6811), (2780, 4949), (2828, 4865), (3535, 3892)]