30894980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 38294140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1429, 2162, 2858, 4324, 5405, 5716, 7145, 10810, 14290, 21620, 28580, 32867, 65734, 67163, 131468, 134326, 164335, 268652, 328670, 335815, 657340, 671630, 1343260, 1544749, 3089498, 6178996, 7723745, 15447490, 30894980]

約数ペア:

[(1, 30894980), (2, 15447490), (4, 7723745), (5, 6178996), (10, 3089498), (20, 1544749), (23, 1343260), (46, 671630), (47, 657340), (92, 335815), (94, 328670), (115, 268652), (188, 164335), (230, 134326), (235, 131468), (460, 67163), (470, 65734), (940, 32867), (1081, 28580), (1429, 21620), (2162, 14290), (2858, 10810), (4324, 7145), (5405, 5716)]