279856840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{839}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 653184000

約数和(自身を除く): 373327160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 269, 310, 538, 620, 839, 1076, 1240, 1345, 1678, 2152, 2690, 3356, 4195, 5380, 6712, 8339, 8390, 10760, 16678, 16780, 26009, 33356, 33560, 41695, 52018, 66712, 83390, 104036, 130045, 166780, 208072, 225691, 260090, 333560, 451382, 520180, 902764, 1040360, 1128455, 1805528, 2256910, 4513820, 6996421, 9027640, 13992842, 27985684, 34982105, 55971368, 69964210, 139928420, 279856840]

約数ペア:

[(1, 279856840), (2, 139928420), (4, 69964210), (5, 55971368), (8, 34982105), (10, 27985684), (20, 13992842), (31, 9027640), (40, 6996421), (62, 4513820), (124, 2256910), (155, 1805528), (248, 1128455), (269, 1040360), (310, 902764), (538, 520180), (620, 451382), (839, 333560), (1076, 260090), (1240, 225691), (1345, 208072), (1678, 166780), (2152, 130045), (2690, 104036), (3356, 83390), (4195, 66712), (5380, 52018), (6712, 41695), (8339, 33560), (8390, 33356), (10760, 26009), (16678, 16780)]