208672520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5689}}^1$

素因数の和:5838

約数の個数: 64

約数和(自身を含む): 540777600

約数和(自身を除く): 332105080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 5689, 7336, 9170, 11378, 18340, 22756, 28445, 36680, 39823, 45512, 56890, 79646, 113780, 159292, 199115, 227560, 318584, 398230, 745259, 796460, 1490518, 1592920, 2981036, 3726295, 5216813, 5962072, 7452590, 10433626, 14905180, 20867252, 26084065, 29810360, 41734504, 52168130, 104336260, 208672520]

約数ペア:

[(1, 208672520), (2, 104336260), (4, 52168130), (5, 41734504), (7, 29810360), (8, 26084065), (10, 20867252), (14, 14905180), (20, 10433626), (28, 7452590), (35, 5962072), (40, 5216813), (56, 3726295), (70, 2981036), (131, 1592920), (140, 1490518), (262, 796460), (280, 745259), (524, 398230), (655, 318584), (917, 227560), (1048, 199115), (1310, 159292), (1834, 113780), (2620, 79646), (3668, 56890), (4585, 45512), (5240, 39823), (5689, 36680), (7336, 28445), (9170, 22756), (11378, 18340)]