489358520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{12757}}^1$

素因数の和:12912

約数の個数: 64

約数和(自身を含む): 1267634880

約数和(自身を除く): 778276360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2740, 3836, 4795, 5480, 7672, 9590, 12757, 19180, 25514, 38360, 51028, 63785, 89299, 102056, 127570, 178598, 255140, 357196, 446495, 510280, 714392, 892990, 1747709, 1785980, 3495418, 3571960, 6990836, 8738545, 12233963, 13981672, 17477090, 24467926, 34954180, 48935852, 61169815, 69908360, 97871704, 122339630, 244679260, 489358520]

約数ペア:

[(1, 489358520), (2, 244679260), (4, 122339630), (5, 97871704), (7, 69908360), (8, 61169815), (10, 48935852), (14, 34954180), (20, 24467926), (28, 17477090), (35, 13981672), (40, 12233963), (56, 8738545), (70, 6990836), (137, 3571960), (140, 3495418), (274, 1785980), (280, 1747709), (548, 892990), (685, 714392), (959, 510280), (1096, 446495), (1370, 357196), (1918, 255140), (2740, 178598), (3836, 127570), (4795, 102056), (5480, 89299), (7672, 63785), (9590, 51028), (12757, 38360), (19180, 25514)]