128976190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 272885760

約数和(自身を除く): 143909570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 83, 158, 166, 281, 395, 415, 553, 562, 581, 790, 830, 1106, 1162, 1405, 1967, 2765, 2810, 2905, 3934, 5530, 5810, 6557, 9835, 13114, 19670, 22199, 23323, 32785, 44398, 45899, 46646, 65570, 91798, 110995, 116615, 155393, 163261, 221990, 229495, 233230, 310786, 326522, 458990, 776965, 816305, 1553930, 1632610, 1842517, 3685034, 9212585, 12897619, 18425170, 25795238, 64488095, 128976190]

約数ペア:

[(1, 128976190), (2, 64488095), (5, 25795238), (7, 18425170), (10, 12897619), (14, 9212585), (35, 3685034), (70, 1842517), (79, 1632610), (83, 1553930), (158, 816305), (166, 776965), (281, 458990), (395, 326522), (415, 310786), (553, 233230), (562, 229495), (581, 221990), (790, 163261), (830, 155393), (1106, 116615), (1162, 110995), (1405, 91798), (1967, 65570), (2765, 46646), (2810, 45899), (2905, 44398), (3934, 32785), (5530, 23323), (5810, 22199), (6557, 19670), (9835, 13114)]