279390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 685440

約数和(自身を除く): 406050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 139, 201, 278, 335, 402, 417, 670, 695, 834, 1005, 1390, 2010, 2085, 4170, 9313, 18626, 27939, 46565, 55878, 93130, 139695, 279390]

約数ペア:

[(1, 279390), (2, 139695), (3, 93130), (5, 55878), (6, 46565), (10, 27939), (15, 18626), (30, 9313), (67, 4170), (134, 2085), (139, 2010), (201, 1390), (278, 1005), (335, 834), (402, 695), (417, 670)]