1249204580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^3\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 2940870240

約数和(自身を除く): 1691665660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 197, 260, 290, 377, 394, 580, 754, 788, 841, 985, 1508, 1682, 1885, 1970, 2561, 3364, 3770, 3940, 4205, 5122, 5713, 7540, 8410, 10244, 10933, 11426, 12805, 16820, 21866, 22852, 24389, 25610, 28565, 43732, 48778, 51220, 54665, 57130, 74269, 97556, 109330, 114260, 121945, 148538, 165677, 218660, 243890, 297076, 317057, 331354, 371345, 487780, 634114, 662708, 742690, 828385, 1268228, 1485380, 1585285, 1656770, 2153801, 3170570, 3313540, 4307602, 4804633, 6341140, 8615204, 9609266, 10769005, 19218532, 21538010, 24023165, 43076020, 48046330, 62460229, 96092660, 124920458, 249840916, 312301145, 624602290, 1249204580]

約数ペア:

[(1, 1249204580), (2, 624602290), (4, 312301145), (5, 249840916), (10, 124920458), (13, 96092660), (20, 62460229), (26, 48046330), (29, 43076020), (52, 24023165), (58, 21538010), (65, 19218532), (116, 10769005), (130, 9609266), (145, 8615204), (197, 6341140), (260, 4804633), (290, 4307602), (377, 3313540), (394, 3170570), (580, 2153801), (754, 1656770), (788, 1585285), (841, 1485380), (985, 1268228), (1508, 828385), (1682, 742690), (1885, 662708), (1970, 634114), (2561, 487780), (3364, 371345), (3770, 331354), (3940, 317057), (4205, 297076), (5122, 243890), (5713, 218660), (7540, 165677), (8410, 148538), (10244, 121945), (10933, 114260), (11426, 109330), (12805, 97556), (16820, 74269), (21866, 57130), (22852, 54665), (24389, 51220), (25610, 48778), (28565, 43732)]