280408030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 623863296

約数和(自身を除く): 343455266

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 83, 85, 119, 166, 167, 170, 238, 289, 334, 415, 578, 581, 595, 830, 835, 1162, 1169, 1190, 1411, 1445, 1670, 2023, 2338, 2822, 2839, 2890, 2905, 4046, 5678, 5810, 5845, 7055, 9877, 10115, 11690, 13861, 14110, 14195, 19754, 19873, 20230, 23987, 27722, 28390, 39746, 47974, 48263, 49385, 69305, 96526, 97027, 98770, 99365, 119935, 138610, 167909, 194054, 198730, 235637, 239870, 241315, 335818, 337841, 471274, 482630, 485135, 675682, 839545, 970270, 1178185, 1649459, 1679090, 1689205, 2356370, 3298918, 3378410, 4005829, 8011658, 8247295, 16494590, 20029145, 28040803, 40058290, 56081606, 140204015, 280408030]

約数ペア:

[(1, 280408030), (2, 140204015), (5, 56081606), (7, 40058290), (10, 28040803), (14, 20029145), (17, 16494590), (34, 8247295), (35, 8011658), (70, 4005829), (83, 3378410), (85, 3298918), (119, 2356370), (166, 1689205), (167, 1679090), (170, 1649459), (238, 1178185), (289, 970270), (334, 839545), (415, 675682), (578, 485135), (581, 482630), (595, 471274), (830, 337841), (835, 335818), (1162, 241315), (1169, 239870), (1190, 235637), (1411, 198730), (1445, 194054), (1670, 167909), (2023, 138610), (2338, 119935), (2822, 99365), (2839, 98770), (2890, 97027), (2905, 96526), (4046, 69305), (5678, 49385), (5810, 48263), (5845, 47974), (7055, 39746), (9877, 28390), (10115, 27722), (11690, 23987), (13861, 20230), (14110, 19873), (14195, 19754)]