2912137880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{2671}}^1$

素因数の和:3060

約数の個数: 64

約数和(自身を含む): 6645905280

約数和(自身を除く): 3733767400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 281, 388, 485, 562, 776, 970, 1124, 1405, 1940, 2248, 2671, 2810, 3880, 5342, 5620, 10684, 11240, 13355, 21368, 26710, 27257, 53420, 54514, 106840, 109028, 136285, 218056, 259087, 272570, 518174, 545140, 750551, 1036348, 1090280, 1295435, 1501102, 2072696, 2590870, 3002204, 3752755, 5181740, 6004408, 7505510, 10363480, 15011020, 30022040, 72803447, 145606894, 291213788, 364017235, 582427576, 728034470, 1456068940, 2912137880]

約数ペア:

[(1, 2912137880), (2, 1456068940), (4, 728034470), (5, 582427576), (8, 364017235), (10, 291213788), (20, 145606894), (40, 72803447), (97, 30022040), (194, 15011020), (281, 10363480), (388, 7505510), (485, 6004408), (562, 5181740), (776, 3752755), (970, 3002204), (1124, 2590870), (1405, 2072696), (1940, 1501102), (2248, 1295435), (2671, 1090280), (2810, 1036348), (3880, 750551), (5342, 545140), (5620, 518174), (10684, 272570), (11240, 259087), (13355, 218056), (21368, 136285), (26710, 109028), (27257, 106840), (53420, 54514)]