650180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 1512000

約数和(自身を除く): 861820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 59, 76, 95, 116, 118, 145, 190, 236, 290, 295, 380, 551, 580, 590, 1102, 1121, 1180, 1711, 2204, 2242, 2755, 3422, 4484, 5510, 5605, 6844, 8555, 11020, 11210, 17110, 22420, 32509, 34220, 65018, 130036, 162545, 325090, 650180]

約数ペア:

[(1, 650180), (2, 325090), (4, 162545), (5, 130036), (10, 65018), (19, 34220), (20, 32509), (29, 22420), (38, 17110), (58, 11210), (59, 11020), (76, 8555), (95, 6844), (116, 5605), (118, 5510), (145, 4484), (190, 3422), (236, 2755), (290, 2242), (295, 2204), (380, 1711), (551, 1180), (580, 1121), (590, 1102)]