28696850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 72136008

約数和(自身を除く): 43439158

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 25, 26, 34, 35, 49, 50, 53, 65, 70, 85, 91, 98, 106, 119, 130, 170, 175, 182, 221, 238, 245, 265, 325, 350, 371, 425, 442, 455, 490, 530, 595, 637, 650, 689, 742, 833, 850, 901, 910, 1105, 1190, 1225, 1274, 1325, 1378, 1547, 1666, 1802, 1855, 2210, 2275, 2450, 2597, 2650, 2975, 3094, 3185, 3445, 3710, 4165, 4505, 4550, 4823, 5194, 5525, 5950, 6307, 6370, 6890, 7735, 8330, 9010, 9275, 9646, 10829, 11050, 11713, 12614, 12985, 15470, 15925, 17225, 18550, 20825, 21658, 22525, 23426, 24115, 25970, 31535, 31850, 33761, 34450, 38675, 41650, 44149, 45050, 48230, 54145, 58565, 63070, 64925, 67522, 77350, 81991, 88298, 108290, 117130, 120575, 129850, 157675, 163982, 168805, 220745, 241150, 270725, 292825, 315350, 337610, 409955, 441490, 541450, 573937, 585650, 819910, 844025, 1103725, 1147874, 1688050, 2049775, 2207450, 2869685, 4099550, 5739370, 14348425, 28696850]

約数ペア:

[(1, 28696850), (2, 14348425), (5, 5739370), (7, 4099550), (10, 2869685), (13, 2207450), (14, 2049775), (17, 1688050), (25, 1147874), (26, 1103725), (34, 844025), (35, 819910), (49, 585650), (50, 573937), (53, 541450), (65, 441490), (70, 409955), (85, 337610), (91, 315350), (98, 292825), (106, 270725), (119, 241150), (130, 220745), (170, 168805), (175, 163982), (182, 157675), (221, 129850), (238, 120575), (245, 117130), (265, 108290), (325, 88298), (350, 81991), (371, 77350), (425, 67522), (442, 64925), (455, 63070), (490, 58565), (530, 54145), (595, 48230), (637, 45050), (650, 44149), (689, 41650), (742, 38675), (833, 34450), (850, 33761), (901, 31850), (910, 31535), (1105, 25970), (1190, 24115), (1225, 23426), (1274, 22525), (1325, 21658), (1378, 20825), (1547, 18550), (1666, 17225), (1802, 15925), (1855, 15470), (2210, 12985), (2275, 12614), (2450, 11713), (2597, 11050), (2650, 10829), (2975, 9646), (3094, 9275), (3185, 9010), (3445, 8330), (3710, 7735), (4165, 6890), (4505, 6370), (4550, 6307), (4823, 5950), (5194, 5525)]