278345920

素因数分解:

$2^6\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1433}}^1$

素因数の和:2057

約数の個数: 56

約数和(自身を含む): 664366464

約数和(自身を除く): 386020544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 607, 1214, 1433, 2428, 2866, 3035, 4856, 5732, 6070, 7165, 9712, 11464, 12140, 14330, 19424, 22928, 24280, 28660, 38848, 45856, 48560, 57320, 91712, 97120, 114640, 194240, 229280, 458560, 869831, 1739662, 3479324, 4349155, 6958648, 8698310, 13917296, 17396620, 27834592, 34793240, 55669184, 69586480, 139172960, 278345920]

約数ペア:

[(1, 278345920), (2, 139172960), (4, 69586480), (5, 55669184), (8, 34793240), (10, 27834592), (16, 17396620), (20, 13917296), (32, 8698310), (40, 6958648), (64, 4349155), (80, 3479324), (160, 1739662), (320, 869831), (607, 458560), (1214, 229280), (1433, 194240), (2428, 114640), (2866, 97120), (3035, 91712), (4856, 57320), (5732, 48560), (6070, 45856), (7165, 38848), (9712, 28660), (11464, 24280), (12140, 22928), (14330, 19424)]