1791609940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1031}}^1$

素因数の和:1345

約数の個数: 96

約数和(自身を含む): 4213036800

約数和(自身を除く): 2421426860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 269, 323, 340, 380, 538, 646, 1031, 1076, 1292, 1345, 1615, 2062, 2690, 3230, 4124, 4573, 5111, 5155, 5380, 6460, 9146, 10222, 10310, 17527, 18292, 19589, 20444, 20620, 22865, 25555, 35054, 39178, 45730, 51110, 70108, 78356, 86887, 87635, 91460, 97945, 102220, 173774, 175270, 195890, 277339, 333013, 347548, 350540, 391780, 434435, 554678, 666026, 868870, 1109356, 1332052, 1386695, 1665065, 1737740, 2773390, 3330130, 4714763, 5269441, 5546780, 6660260, 9429526, 10538882, 18859052, 21077764, 23573815, 26347205, 47147630, 52694410, 89580497, 94295260, 105388820, 179160994, 358321988, 447902485, 895804970, 1791609940]

約数ペア:

[(1, 1791609940), (2, 895804970), (4, 447902485), (5, 358321988), (10, 179160994), (17, 105388820), (19, 94295260), (20, 89580497), (34, 52694410), (38, 47147630), (68, 26347205), (76, 23573815), (85, 21077764), (95, 18859052), (170, 10538882), (190, 9429526), (269, 6660260), (323, 5546780), (340, 5269441), (380, 4714763), (538, 3330130), (646, 2773390), (1031, 1737740), (1076, 1665065), (1292, 1386695), (1345, 1332052), (1615, 1109356), (2062, 868870), (2690, 666026), (3230, 554678), (4124, 434435), (4573, 391780), (5111, 350540), (5155, 347548), (5380, 333013), (6460, 277339), (9146, 195890), (10222, 175270), (10310, 173774), (17527, 102220), (18292, 97945), (19589, 91460), (20444, 87635), (20620, 86887), (22865, 78356), (25555, 70108), (35054, 51110), (39178, 45730)]