1814673100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{839}}^1$

素因数の和:1399

約数の個数: 72

約数和(自身を含む): 4042241280

約数和(自身を除く): 2227568180

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 503, 839, 860, 1006, 1075, 1678, 2012, 2150, 2515, 3356, 4195, 4300, 5030, 8390, 10060, 12575, 16780, 20975, 21629, 25150, 36077, 41950, 43258, 50300, 72154, 83900, 86516, 108145, 144308, 180385, 216290, 360770, 422017, 432580, 540725, 721540, 844034, 901925, 1081450, 1688068, 1803850, 2110085, 2162900, 3607700, 4220170, 8440340, 10550425, 18146731, 21100850, 36293462, 42201700, 72586924, 90733655, 181467310, 362934620, 453668275, 907336550, 1814673100]

約数ペア:

[(1, 1814673100), (2, 907336550), (4, 453668275), (5, 362934620), (10, 181467310), (20, 90733655), (25, 72586924), (43, 42201700), (50, 36293462), (86, 21100850), (100, 18146731), (172, 10550425), (215, 8440340), (430, 4220170), (503, 3607700), (839, 2162900), (860, 2110085), (1006, 1803850), (1075, 1688068), (1678, 1081450), (2012, 901925), (2150, 844034), (2515, 721540), (3356, 540725), (4195, 432580), (4300, 422017), (5030, 360770), (8390, 216290), (10060, 180385), (12575, 144308), (16780, 108145), (20975, 86516), (21629, 83900), (25150, 72154), (36077, 50300), (41950, 43258)]