251304430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 256727570

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 191, 290, 349, 377, 382, 698, 754, 955, 1745, 1885, 1910, 2483, 3490, 3770, 4537, 4966, 5539, 9074, 10121, 11078, 12415, 20242, 22685, 24830, 27695, 45370, 50605, 55390, 66659, 72007, 101210, 131573, 133318, 144014, 263146, 333295, 360035, 657865, 666590, 720070, 866567, 1315730, 1733134, 1933111, 3866222, 4332835, 8665670, 9665555, 19331110, 25130443, 50260886, 125652215, 251304430]

約数ペア:

[(1, 251304430), (2, 125652215), (5, 50260886), (10, 25130443), (13, 19331110), (26, 9665555), (29, 8665670), (58, 4332835), (65, 3866222), (130, 1933111), (145, 1733134), (191, 1315730), (290, 866567), (349, 720070), (377, 666590), (382, 657865), (698, 360035), (754, 333295), (955, 263146), (1745, 144014), (1885, 133318), (1910, 131573), (2483, 101210), (3490, 72007), (3770, 66659), (4537, 55390), (4966, 50605), (5539, 45370), (9074, 27695), (10121, 24830), (11078, 22685), (12415, 20242)]