1285653620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{50497}}^1$

素因数の和:50592

約数の個数: 48

約数和(自身を含む): 2884445760

約数和(自身を除く): 1598792140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 12730, 25460, 50497, 100994, 201988, 252485, 504970, 959443, 1009940, 1918886, 3383299, 3837772, 4797215, 6766598, 9594430, 13533196, 16916495, 19188860, 33832990, 64282681, 67665980, 128565362, 257130724, 321413405, 642826810, 1285653620]

約数ペア:

[(1, 1285653620), (2, 642826810), (4, 321413405), (5, 257130724), (10, 128565362), (19, 67665980), (20, 64282681), (38, 33832990), (67, 19188860), (76, 16916495), (95, 13533196), (134, 9594430), (190, 6766598), (268, 4797215), (335, 3837772), (380, 3383299), (670, 1918886), (1273, 1009940), (1340, 959443), (2546, 504970), (5092, 252485), (6365, 201988), (12730, 100994), (25460, 50497)]