16278290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 18195310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 239, 245, 278, 478, 490, 695, 973, 1195, 1390, 1673, 1946, 2390, 3346, 4865, 6811, 8365, 9730, 11711, 13622, 16730, 23422, 33221, 34055, 58555, 66442, 68110, 117110, 166105, 232547, 332210, 465094, 1162735, 1627829, 2325470, 3255658, 8139145, 16278290]

約数ペア:

[(1, 16278290), (2, 8139145), (5, 3255658), (7, 2325470), (10, 1627829), (14, 1162735), (35, 465094), (49, 332210), (70, 232547), (98, 166105), (139, 117110), (239, 68110), (245, 66442), (278, 58555), (478, 34055), (490, 33221), (695, 23422), (973, 16730), (1195, 13622), (1390, 11711), (1673, 9730), (1946, 8365), (2390, 6811), (3346, 4865)]