174221240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 408672000

約数和(自身を除く): 234450760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1090, 1240, 1289, 2180, 2578, 3379, 4360, 5156, 6445, 6758, 10312, 12890, 13516, 16895, 25780, 27032, 33790, 39959, 51560, 67580, 79918, 135160, 140501, 159836, 199795, 281002, 319672, 399590, 562004, 702505, 799180, 1124008, 1405010, 1598360, 2810020, 4355531, 5620040, 8711062, 17422124, 21777655, 34844248, 43555310, 87110620, 174221240]

約数ペア:

[(1, 174221240), (2, 87110620), (4, 43555310), (5, 34844248), (8, 21777655), (10, 17422124), (20, 8711062), (31, 5620040), (40, 4355531), (62, 2810020), (109, 1598360), (124, 1405010), (155, 1124008), (218, 799180), (248, 702505), (310, 562004), (436, 399590), (545, 319672), (620, 281002), (872, 199795), (1090, 159836), (1240, 140501), (1289, 135160), (2180, 79918), (2578, 67580), (3379, 51560), (4360, 39959), (5156, 33790), (6445, 27032), (6758, 25780), (10312, 16895), (12890, 13516)]