1757728420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{205823}}^1$

素因数の和:205900

約数の個数: 48

約数和(自身を含む): 4287725568

約数和(自身を除く): 2529997148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 205823, 411646, 823292, 1029115, 1440761, 2058230, 2881522, 4116460, 5763044, 7203805, 12555203, 14407610, 25110406, 28815220, 50220812, 62776015, 87886421, 125552030, 175772842, 251104060, 351545684, 439432105, 878864210, 1757728420]

約数ペア:

[(1, 1757728420), (2, 878864210), (4, 439432105), (5, 351545684), (7, 251104060), (10, 175772842), (14, 125552030), (20, 87886421), (28, 62776015), (35, 50220812), (61, 28815220), (70, 25110406), (122, 14407610), (140, 12555203), (244, 7203805), (305, 5763044), (427, 4116460), (610, 2881522), (854, 2058230), (1220, 1440761), (1708, 1029115), (2135, 823292), (4270, 411646), (8540, 205823)]