289021480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2617}}^1$

素因数の和:2890

約数の個数: 64

約数和(自身を含む): 712514880

約数和(自身を除く): 423493400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 251, 440, 502, 1004, 1255, 2008, 2510, 2617, 2761, 5020, 5234, 5522, 10040, 10468, 11044, 13085, 13805, 20936, 22088, 26170, 27610, 28787, 52340, 55220, 57574, 104680, 110440, 115148, 143935, 230296, 287870, 575740, 656867, 1151480, 1313734, 2627468, 3284335, 5254936, 6568670, 7225537, 13137340, 14451074, 26274680, 28902148, 36127685, 57804296, 72255370, 144510740, 289021480]

約数ペア:

[(1, 289021480), (2, 144510740), (4, 72255370), (5, 57804296), (8, 36127685), (10, 28902148), (11, 26274680), (20, 14451074), (22, 13137340), (40, 7225537), (44, 6568670), (55, 5254936), (88, 3284335), (110, 2627468), (220, 1313734), (251, 1151480), (440, 656867), (502, 575740), (1004, 287870), (1255, 230296), (2008, 143935), (2510, 115148), (2617, 110440), (2761, 104680), (5020, 57574), (5234, 55220), (5522, 52340), (10040, 28787), (10468, 27610), (11044, 26170), (13085, 22088), (13805, 20936)]