890232430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{28163}}^1$

素因数の和:28308

約数の個数: 32

約数和(自身を含む): 1672941600

約数和(自身を除く): 782709170

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 1090, 3161, 6322, 15805, 28163, 31610, 56326, 140815, 281630, 816727, 1633454, 3069767, 4083635, 6139534, 8167270, 15348835, 30697670, 89023243, 178046486, 445116215, 890232430]

約数ペア:

[(1, 890232430), (2, 445116215), (5, 178046486), (10, 89023243), (29, 30697670), (58, 15348835), (109, 8167270), (145, 6139534), (218, 4083635), (290, 3069767), (545, 1633454), (1090, 816727), (3161, 281630), (6322, 140815), (15805, 56326), (28163, 31610)]