78725140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 188606880

約数和(自身を除く): 109881740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 53, 58, 65, 106, 116, 130, 145, 197, 212, 260, 265, 290, 377, 394, 530, 580, 689, 754, 788, 985, 1060, 1378, 1508, 1537, 1885, 1970, 2561, 2756, 3074, 3445, 3770, 3940, 5122, 5713, 6148, 6890, 7540, 7685, 10244, 10441, 11426, 12805, 13780, 15370, 19981, 20882, 22852, 25610, 28565, 30740, 39962, 41764, 51220, 52205, 57130, 74269, 79924, 99905, 104410, 114260, 135733, 148538, 199810, 208820, 271466, 297076, 302789, 371345, 399620, 542932, 605578, 678665, 742690, 1211156, 1357330, 1485380, 1513945, 2714660, 3027890, 3936257, 6055780, 7872514, 15745028, 19681285, 39362570, 78725140]

約数ペア:

[(1, 78725140), (2, 39362570), (4, 19681285), (5, 15745028), (10, 7872514), (13, 6055780), (20, 3936257), (26, 3027890), (29, 2714660), (52, 1513945), (53, 1485380), (58, 1357330), (65, 1211156), (106, 742690), (116, 678665), (130, 605578), (145, 542932), (197, 399620), (212, 371345), (260, 302789), (265, 297076), (290, 271466), (377, 208820), (394, 199810), (530, 148538), (580, 135733), (689, 114260), (754, 104410), (788, 99905), (985, 79924), (1060, 74269), (1378, 57130), (1508, 52205), (1537, 51220), (1885, 41764), (1970, 39962), (2561, 30740), (2756, 28565), (3074, 25610), (3445, 22852), (3770, 20882), (3940, 19981), (5122, 15370), (5713, 13780), (6148, 12805), (6890, 11426), (7540, 10441), (7685, 10244)]