245247080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1879}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 596937600

約数和(自身を除く): 351690520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 1879, 2008, 2510, 3263, 3758, 5020, 6526, 7516, 9395, 10040, 13052, 15032, 16315, 18790, 24427, 26104, 32630, 37580, 48854, 65260, 75160, 97708, 122135, 130520, 195416, 244270, 471629, 488540, 943258, 977080, 1886516, 2358145, 3773032, 4716290, 6131177, 9432580, 12262354, 18865160, 24524708, 30655885, 49049416, 61311770, 122623540, 245247080]

約数ペア:

[(1, 245247080), (2, 122623540), (4, 61311770), (5, 49049416), (8, 30655885), (10, 24524708), (13, 18865160), (20, 12262354), (26, 9432580), (40, 6131177), (52, 4716290), (65, 3773032), (104, 2358145), (130, 1886516), (251, 977080), (260, 943258), (502, 488540), (520, 471629), (1004, 244270), (1255, 195416), (1879, 130520), (2008, 122135), (2510, 97708), (3263, 75160), (3758, 65260), (5020, 48854), (6526, 37580), (7516, 32630), (9395, 26104), (10040, 24427), (13052, 18790), (15032, 16315)]