77726020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 167086080

約数和(自身を除く): 89360060

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 278, 292, 365, 383, 556, 695, 730, 766, 1390, 1460, 1532, 1915, 2780, 3830, 7660, 10147, 20294, 27959, 40588, 50735, 53237, 55918, 101470, 106474, 111836, 139795, 202940, 212948, 266185, 279590, 532370, 559180, 1064740, 3886301, 7772602, 15545204, 19431505, 38863010, 77726020]

約数ペア:

[(1, 77726020), (2, 38863010), (4, 19431505), (5, 15545204), (10, 7772602), (20, 3886301), (73, 1064740), (139, 559180), (146, 532370), (278, 279590), (292, 266185), (365, 212948), (383, 202940), (556, 139795), (695, 111836), (730, 106474), (766, 101470), (1390, 55918), (1460, 53237), (1532, 50735), (1915, 40588), (2780, 27959), (3830, 20294), (7660, 10147)]