4788140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 11999232

約数和(自身を除く): 7211092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1487, 1610, 2974, 3220, 5948, 7435, 10409, 14870, 20818, 29740, 34201, 41636, 52045, 68402, 104090, 136804, 171005, 208180, 239407, 342010, 478814, 684020, 957628, 1197035, 2394070, 4788140]

約数ペア:

[(1, 4788140), (2, 2394070), (4, 1197035), (5, 957628), (7, 684020), (10, 478814), (14, 342010), (20, 239407), (23, 208180), (28, 171005), (35, 136804), (46, 104090), (70, 68402), (92, 52045), (115, 41636), (140, 34201), (161, 29740), (230, 20818), (322, 14870), (460, 10409), (644, 7435), (805, 5948), (1487, 3220), (1610, 2974)]