18778839100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{265613}}^1$

素因数の和:265735

約数の個数: 72

約数和(自身を含む): 47032802208

約数和(自身を除く): 28253963108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1414, 2020, 2525, 2828, 3535, 5050, 7070, 10100, 14140, 17675, 35350, 70700, 265613, 531226, 1062452, 1328065, 1859291, 2656130, 3718582, 5312260, 6640325, 7437164, 9296455, 13280650, 18592910, 26561300, 26826913, 37185820, 46482275, 53653826, 92964550, 107307652, 134134565, 185929100, 187788391, 268269130, 375576782, 536538260, 670672825, 751153564, 938941955, 1341345650, 1877883910, 2682691300, 3755767820, 4694709775, 9389419550, 18778839100]

約数ペア:

[(1, 18778839100), (2, 9389419550), (4, 4694709775), (5, 3755767820), (7, 2682691300), (10, 1877883910), (14, 1341345650), (20, 938941955), (25, 751153564), (28, 670672825), (35, 536538260), (50, 375576782), (70, 268269130), (100, 187788391), (101, 185929100), (140, 134134565), (175, 107307652), (202, 92964550), (350, 53653826), (404, 46482275), (505, 37185820), (700, 26826913), (707, 26561300), (1010, 18592910), (1414, 13280650), (2020, 9296455), (2525, 7437164), (2828, 6640325), (3535, 5312260), (5050, 3718582), (7070, 2656130), (10100, 1859291), (14140, 1328065), (17675, 1062452), (35350, 531226), (70700, 265613)]