302211220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{138629}}^1$

素因数の和:138747

約数の個数: 24

約数和(自身を含む): 640470600

約数和(自身を除く): 338259380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 138629, 277258, 554516, 693145, 1386290, 2772580, 15110561, 30221122, 60442244, 75552805, 151105610, 302211220]

約数ペア:

[(1, 302211220), (2, 151105610), (4, 75552805), (5, 60442244), (10, 30221122), (20, 15110561), (109, 2772580), (218, 1386290), (436, 693145), (545, 554516), (1090, 277258), (2180, 138629)]