2887030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 5483520

約数和(自身を除く): 2596490

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 139, 155, 278, 310, 335, 670, 695, 1390, 2077, 4154, 4309, 8618, 9313, 10385, 18626, 20770, 21545, 43090, 46565, 93130, 288703, 577406, 1443515, 2887030]

約数ペア:

[(1, 2887030), (2, 1443515), (5, 577406), (10, 288703), (31, 93130), (62, 46565), (67, 43090), (134, 21545), (139, 20770), (155, 18626), (278, 10385), (310, 9313), (335, 8618), (670, 4309), (695, 4154), (1390, 2077)]