2019476750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 4276022400

約数和(自身を除く): 2256545650

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 89, 95, 125, 170, 178, 190, 250, 281, 323, 425, 445, 475, 562, 646, 850, 890, 950, 1405, 1513, 1615, 1691, 2125, 2225, 2375, 2810, 3026, 3230, 3382, 4250, 4450, 4750, 4777, 5339, 7025, 7565, 8075, 8455, 9554, 10678, 11125, 14050, 15130, 16150, 16910, 22250, 23885, 25009, 26695, 28747, 35125, 37825, 40375, 42275, 47770, 50018, 53390, 57494, 70250, 75650, 80750, 84550, 90763, 119425, 125045, 133475, 143735, 181526, 189125, 211375, 238850, 250090, 266950, 287470, 378250, 422750, 425153, 453815, 475171, 597125, 625225, 667375, 718675, 850306, 907630, 950342, 1194250, 1250450, 1334750, 1437350, 2125765, 2269075, 2375855, 3126125, 3593375, 4251530, 4538150, 4751710, 6252250, 7186750, 8077907, 10628825, 11345375, 11879275, 16155814, 21257650, 22690750, 23758550, 40389535, 53144125, 59396375, 80779070, 106288250, 118792750, 201947675, 403895350, 1009738375, 2019476750]

約数ペア:

[(1, 2019476750), (2, 1009738375), (5, 403895350), (10, 201947675), (17, 118792750), (19, 106288250), (25, 80779070), (34, 59396375), (38, 53144125), (50, 40389535), (85, 23758550), (89, 22690750), (95, 21257650), (125, 16155814), (170, 11879275), (178, 11345375), (190, 10628825), (250, 8077907), (281, 7186750), (323, 6252250), (425, 4751710), (445, 4538150), (475, 4251530), (562, 3593375), (646, 3126125), (850, 2375855), (890, 2269075), (950, 2125765), (1405, 1437350), (1513, 1334750), (1615, 1250450), (1691, 1194250), (2125, 950342), (2225, 907630), (2375, 850306), (2810, 718675), (3026, 667375), (3230, 625225), (3382, 597125), (4250, 475171), (4450, 453815), (4750, 425153), (4777, 422750), (5339, 378250), (7025, 287470), (7565, 266950), (8075, 250090), (8455, 238850), (9554, 211375), (10678, 189125), (11125, 181526), (14050, 143735), (15130, 133475), (16150, 125045), (16910, 119425), (22250, 90763), (23885, 84550), (25009, 80750), (26695, 75650), (28747, 70250), (35125, 57494), (37825, 53390), (40375, 50018), (42275, 47770)]