218934730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{22501}}^1$

素因数の和:22654

約数の個数: 32

約数和(自身を含む): 453640320

約数和(自身を除く): 234705590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 22501, 45002, 112505, 157507, 225010, 315014, 787535, 1575070, 3127639, 6255278, 15638195, 21893473, 31276390, 43786946, 109467365, 218934730]

約数ペア:

[(1, 218934730), (2, 109467365), (5, 43786946), (7, 31276390), (10, 21893473), (14, 15638195), (35, 6255278), (70, 3127639), (139, 1575070), (278, 787535), (695, 315014), (973, 225010), (1390, 157507), (1946, 112505), (4865, 45002), (9730, 22501)]