755379640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 1721412000

約数和(自身を除く): 966032360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 307, 449, 548, 614, 685, 898, 1096, 1228, 1370, 1535, 1796, 2245, 2456, 2740, 3070, 3592, 4490, 5480, 6140, 8980, 12280, 17960, 42059, 61513, 84118, 123026, 137843, 168236, 210295, 246052, 275686, 307565, 336472, 420590, 492104, 551372, 615130, 689215, 841180, 1102744, 1230260, 1378430, 1682360, 2460520, 2756860, 5513720, 18884491, 37768982, 75537964, 94422455, 151075928, 188844910, 377689820, 755379640]

約数ペア:

[(1, 755379640), (2, 377689820), (4, 188844910), (5, 151075928), (8, 94422455), (10, 75537964), (20, 37768982), (40, 18884491), (137, 5513720), (274, 2756860), (307, 2460520), (449, 1682360), (548, 1378430), (614, 1230260), (685, 1102744), (898, 841180), (1096, 689215), (1228, 615130), (1370, 551372), (1535, 492104), (1796, 420590), (2245, 336472), (2456, 307565), (2740, 275686), (3070, 246052), (3592, 210295), (4490, 168236), (5480, 137843), (6140, 123026), (8980, 84118), (12280, 61513), (17960, 42059)]