30720970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{709}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 63388800

約数和(自身を除く): 32667830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 619, 709, 1238, 1418, 3095, 3545, 4333, 4963, 6190, 7090, 8666, 9926, 21665, 24815, 43330, 49630, 438871, 877742, 2194355, 3072097, 4388710, 6144194, 15360485, 30720970]

約数ペア:

[(1, 30720970), (2, 15360485), (5, 6144194), (7, 4388710), (10, 3072097), (14, 2194355), (35, 877742), (70, 438871), (619, 49630), (709, 43330), (1238, 24815), (1418, 21665), (3095, 9926), (3545, 8666), (4333, 7090), (4963, 6190)]