313221440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139831}}^1$

素因数の和:139855

約数の個数: 56

約数和(自身を含む): 852415872

約数和(自身を除く): 539194432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 139831, 279662, 559324, 699155, 978817, 1118648, 1398310, 1957634, 2237296, 2796620, 3915268, 4474592, 4894085, 5593240, 7830536, 8949184, 9788170, 11186480, 15661072, 19576340, 22372960, 31322144, 39152680, 44745920, 62644288, 78305360, 156610720, 313221440]

約数ペア:

[(1, 313221440), (2, 156610720), (4, 78305360), (5, 62644288), (7, 44745920), (8, 39152680), (10, 31322144), (14, 22372960), (16, 19576340), (20, 15661072), (28, 11186480), (32, 9788170), (35, 8949184), (40, 7830536), (56, 5593240), (64, 4894085), (70, 4474592), (80, 3915268), (112, 2796620), (140, 2237296), (160, 1957634), (224, 1398310), (280, 1118648), (320, 978817), (448, 699155), (560, 559324), (1120, 279662), (2240, 139831)]