78904490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49009}}^1$

素因数の和:49046

約数の個数: 32

約数和(自身を含む): 169378560

約数和(自身を除く): 90474070

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 49009, 98018, 245045, 343063, 490090, 686126, 1127207, 1715315, 2254414, 3430630, 5636035, 7890449, 11272070, 15780898, 39452245, 78904490]

約数ペア:

[(1, 78904490), (2, 39452245), (5, 15780898), (7, 11272070), (10, 7890449), (14, 5636035), (23, 3430630), (35, 2254414), (46, 1715315), (70, 1127207), (115, 686126), (161, 490090), (230, 343063), (322, 245045), (805, 98018), (1610, 49009)]