1278116510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7741}}^1$

素因数の和:7857

約数の個数: 64

約数和(自身を含む): 2675635200

約数和(自身を除く): 1397518690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 79, 95, 110, 158, 190, 209, 395, 418, 790, 869, 1045, 1501, 1738, 2090, 3002, 4345, 7505, 7741, 8690, 15010, 15482, 16511, 33022, 38705, 77410, 82555, 85151, 147079, 165110, 170302, 294158, 425755, 611539, 735395, 851510, 1223078, 1470790, 1617869, 3057695, 3235738, 6115390, 6726929, 8089345, 11619241, 13453858, 16178690, 23238482, 33634645, 58096205, 67269290, 116192410, 127811651, 255623302, 639058255, 1278116510]

約数ペア:

[(1, 1278116510), (2, 639058255), (5, 255623302), (10, 127811651), (11, 116192410), (19, 67269290), (22, 58096205), (38, 33634645), (55, 23238482), (79, 16178690), (95, 13453858), (110, 11619241), (158, 8089345), (190, 6726929), (209, 6115390), (395, 3235738), (418, 3057695), (790, 1617869), (869, 1470790), (1045, 1223078), (1501, 851510), (1738, 735395), (2090, 611539), (3002, 425755), (4345, 294158), (7505, 170302), (7741, 165110), (8690, 147079), (15010, 85151), (15482, 82555), (16511, 77410), (33022, 38705)]