28017400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 70196400

約数和(自身を除く): 42179000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 73, 76, 95, 100, 101, 146, 152, 190, 200, 202, 292, 365, 380, 404, 475, 505, 584, 730, 760, 808, 950, 1010, 1387, 1460, 1825, 1900, 1919, 2020, 2525, 2774, 2920, 3650, 3800, 3838, 4040, 5050, 5548, 6935, 7300, 7373, 7676, 9595, 10100, 11096, 13870, 14600, 14746, 15352, 19190, 20200, 27740, 29492, 34675, 36865, 38380, 47975, 55480, 58984, 69350, 73730, 76760, 95950, 138700, 140087, 147460, 184325, 191900, 277400, 280174, 294920, 368650, 383800, 560348, 700435, 737300, 1120696, 1400870, 1474600, 2801740, 3502175, 5603480, 7004350, 14008700, 28017400]

約数ペア:

[(1, 28017400), (2, 14008700), (4, 7004350), (5, 5603480), (8, 3502175), (10, 2801740), (19, 1474600), (20, 1400870), (25, 1120696), (38, 737300), (40, 700435), (50, 560348), (73, 383800), (76, 368650), (95, 294920), (100, 280174), (101, 277400), (146, 191900), (152, 184325), (190, 147460), (200, 140087), (202, 138700), (292, 95950), (365, 76760), (380, 73730), (404, 69350), (475, 58984), (505, 55480), (584, 47975), (730, 38380), (760, 36865), (808, 34675), (950, 29492), (1010, 27740), (1387, 20200), (1460, 19190), (1825, 15352), (1900, 14746), (1919, 14600), (2020, 13870), (2525, 11096), (2774, 10100), (2920, 9595), (3650, 7676), (3800, 7373), (3838, 7300), (4040, 6935), (5050, 5548)]