38779160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138497}}^1$

素因数の和:138515

約数の個数: 32

約数和(自身を含む): 99718560

約数和(自身を除く): 60939400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138497, 276994, 553988, 692485, 969479, 1107976, 1384970, 1938958, 2769940, 3877916, 4847395, 5539880, 7755832, 9694790, 19389580, 38779160]

約数ペア:

[(1, 38779160), (2, 19389580), (4, 9694790), (5, 7755832), (7, 5539880), (8, 4847395), (10, 3877916), (14, 2769940), (20, 1938958), (28, 1384970), (35, 1107976), (40, 969479), (56, 692485), (70, 553988), (140, 276994), (280, 138497)]