389090910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21227}}^1$

素因数の和:21297

約数の個数: 64

約数和(自身を含む): 1027095552

約数和(自身を除く): 638004642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1222, 1410, 1833, 3055, 3666, 6110, 9165, 18330, 21227, 42454, 63681, 106135, 127362, 212270, 275951, 318405, 551902, 636810, 827853, 997669, 1379755, 1655706, 1995338, 2759510, 2993007, 4139265, 4988345, 5986014, 8278530, 9976690, 12969697, 14965035, 25939394, 29930070, 38909091, 64848485, 77818182, 129696970, 194545455, 389090910]

約数ペア:

[(1, 389090910), (2, 194545455), (3, 129696970), (5, 77818182), (6, 64848485), (10, 38909091), (13, 29930070), (15, 25939394), (26, 14965035), (30, 12969697), (39, 9976690), (47, 8278530), (65, 5986014), (78, 4988345), (94, 4139265), (130, 2993007), (141, 2759510), (195, 1995338), (235, 1655706), (282, 1379755), (390, 997669), (470, 827853), (611, 636810), (705, 551902), (1222, 318405), (1410, 275951), (1833, 212270), (3055, 127362), (3666, 106135), (6110, 63681), (9165, 42454), (18330, 21227)]