42238900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 109992960

約数和(自身を除く): 67754060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 43, 44, 47, 50, 55, 76, 86, 94, 95, 100, 110, 172, 188, 190, 209, 215, 220, 235, 275, 380, 418, 430, 470, 473, 475, 517, 550, 817, 836, 860, 893, 940, 946, 950, 1034, 1045, 1075, 1100, 1175, 1634, 1786, 1892, 1900, 2021, 2068, 2090, 2150, 2350, 2365, 2585, 3268, 3572, 4042, 4085, 4180, 4300, 4465, 4700, 4730, 5170, 5225, 8084, 8170, 8930, 8987, 9460, 9823, 10105, 10340, 10450, 11825, 12925, 16340, 17860, 17974, 19646, 20210, 20425, 20900, 22231, 22325, 23650, 25850, 35948, 38399, 39292, 40420, 40850, 44462, 44650, 44935, 47300, 49115, 50525, 51700, 76798, 81700, 88924, 89300, 89870, 98230, 101050, 111155, 153596, 179740, 191995, 196460, 202100, 222310, 224675, 245575, 383990, 422389, 444620, 449350, 491150, 555775, 767980, 844778, 898700, 959975, 982300, 1111550, 1689556, 1919950, 2111945, 2223100, 3839900, 4223890, 8447780, 10559725, 21119450, 42238900]

約数ペア:

[(1, 42238900), (2, 21119450), (4, 10559725), (5, 8447780), (10, 4223890), (11, 3839900), (19, 2223100), (20, 2111945), (22, 1919950), (25, 1689556), (38, 1111550), (43, 982300), (44, 959975), (47, 898700), (50, 844778), (55, 767980), (76, 555775), (86, 491150), (94, 449350), (95, 444620), (100, 422389), (110, 383990), (172, 245575), (188, 224675), (190, 222310), (209, 202100), (215, 196460), (220, 191995), (235, 179740), (275, 153596), (380, 111155), (418, 101050), (430, 98230), (470, 89870), (473, 89300), (475, 88924), (517, 81700), (550, 76798), (817, 51700), (836, 50525), (860, 49115), (893, 47300), (940, 44935), (946, 44650), (950, 44462), (1034, 40850), (1045, 40420), (1075, 39292), (1100, 38399), (1175, 35948), (1634, 25850), (1786, 23650), (1892, 22325), (1900, 22231), (2021, 20900), (2068, 20425), (2090, 20210), (2150, 19646), (2350, 17974), (2365, 17860), (2585, 16340), (3268, 12925), (3572, 11825), (4042, 10450), (4085, 10340), (4180, 10105), (4300, 9823), (4465, 9460), (4700, 8987), (4730, 8930), (5170, 8170), (5225, 8084)]