164879150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 324822960

約数和(自身を除く): 159943810

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 197, 394, 475, 881, 950, 985, 1762, 1970, 3743, 4405, 4925, 7486, 8810, 9850, 16739, 18715, 22025, 33478, 37430, 44050, 83695, 93575, 167390, 173557, 187150, 347114, 418475, 836950, 867785, 1735570, 3297583, 4338925, 6595166, 8677850, 16487915, 32975830, 82439575, 164879150]

約数ペア:

[(1, 164879150), (2, 82439575), (5, 32975830), (10, 16487915), (19, 8677850), (25, 6595166), (38, 4338925), (50, 3297583), (95, 1735570), (190, 867785), (197, 836950), (394, 418475), (475, 347114), (881, 187150), (950, 173557), (985, 167390), (1762, 93575), (1970, 83695), (3743, 44050), (4405, 37430), (4925, 33478), (7486, 22025), (8810, 18715), (9850, 16739)]