749271770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1721}}^1$

素因数の和:1955

約数の個数: 64

約数和(自身を含む): 1546576416

約数和(自身を除く): 797304646

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 197, 221, 394, 442, 985, 1105, 1721, 1970, 2210, 2561, 3349, 3442, 5122, 6698, 8605, 12805, 16745, 17210, 22373, 25610, 29257, 33490, 43537, 44746, 58514, 87074, 111865, 146285, 217685, 223730, 292570, 339037, 380341, 435370, 678074, 760682, 1695185, 1901705, 3390370, 3803410, 4407481, 5763629, 8814962, 11527258, 22037405, 28818145, 44074810, 57636290, 74927177, 149854354, 374635885, 749271770]

約数ペア:

[(1, 749271770), (2, 374635885), (5, 149854354), (10, 74927177), (13, 57636290), (17, 44074810), (26, 28818145), (34, 22037405), (65, 11527258), (85, 8814962), (130, 5763629), (170, 4407481), (197, 3803410), (221, 3390370), (394, 1901705), (442, 1695185), (985, 760682), (1105, 678074), (1721, 435370), (1970, 380341), (2210, 339037), (2561, 292570), (3349, 223730), (3442, 217685), (5122, 146285), (6698, 111865), (8605, 87074), (12805, 58514), (16745, 44746), (17210, 43537), (22373, 33490), (25610, 29257)]