12353420

素因数分解:

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

素因数の和:135

約数の個数: 72

約数和(自身を含む): 28803600

約数和(自身を除く): 16450180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 59, 76, 95, 116, 118, 145, 190, 236, 290, 295, 361, 380, 551, 580, 590, 722, 1102, 1121, 1180, 1444, 1711, 1805, 2204, 2242, 2755, 3422, 3610, 4484, 5510, 5605, 6844, 7220, 8555, 10469, 11020, 11210, 17110, 20938, 21299, 22420, 32509, 34220, 41876, 42598, 52345, 65018, 85196, 104690, 106495, 130036, 162545, 209380, 212990, 325090, 425980, 617671, 650180, 1235342, 2470684, 3088355, 6176710, 12353420]

約数ペア:

[(1, 12353420), (2, 6176710), (4, 3088355), (5, 2470684), (10, 1235342), (19, 650180), (20, 617671), (29, 425980), (38, 325090), (58, 212990), (59, 209380), (76, 162545), (95, 130036), (116, 106495), (118, 104690), (145, 85196), (190, 65018), (236, 52345), (290, 42598), (295, 41876), (361, 34220), (380, 32509), (551, 22420), (580, 21299), (590, 20938), (722, 17110), (1102, 11210), (1121, 11020), (1180, 10469), (1444, 8555), (1711, 7220), (1805, 6844), (2204, 5605), (2242, 5510), (2755, 4484), (3422, 3610)]