38898020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3517}}^1$

素因数の和:3612

約数の個数: 48

約数和(自身を含む): 94563840

約数和(自身を除く): 55665820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 3517, 5530, 7034, 11060, 14068, 17585, 24619, 35170, 49238, 70340, 98476, 123095, 246190, 277843, 492380, 555686, 1111372, 1389215, 1944901, 2778430, 3889802, 5556860, 7779604, 9724505, 19449010, 38898020]

約数ペア:

[(1, 38898020), (2, 19449010), (4, 9724505), (5, 7779604), (7, 5556860), (10, 3889802), (14, 2778430), (20, 1944901), (28, 1389215), (35, 1111372), (70, 555686), (79, 492380), (140, 277843), (158, 246190), (316, 123095), (395, 98476), (553, 70340), (790, 49238), (1106, 35170), (1580, 24619), (2212, 17585), (2765, 14068), (3517, 11060), (5530, 7034)]