155110190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{254279}}^1$

素因数の和:254347

約数の個数: 16

約数和(自身を含む): 283776480

約数和(自身を除く): 128666290

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 254279, 508558, 1271395, 2542790, 15511019, 31022038, 77555095, 155110190]

約数ペア:

[(1, 155110190), (2, 77555095), (5, 31022038), (10, 15511019), (61, 2542790), (122, 1271395), (305, 508558), (610, 254279)]